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Profiles

Dr Is-Haka Mkwawa

Senior Research Fellow

School of Engineering, Computing and Mathematics (Faculty of Science and Engineering)

Biography

Biography

  • Module leader for NET302 (Distributed System)
  • Module leader for NET201 (Enterprise Networks)
  • Module leader for NET205 (Wireless Networks and Network Programming)
  • Module leader for NET505 (Cyber Security and Computer Networking)
  • Module leader for CNET050 (Computer Systems)
  • Module leader for NET207 (Integrated Project)
  • Lecturer for NET206 (Servers, Datacentres and Cloud)
  • Lecturer for DAT504 (Advanced Web Technologies)
  • Lecturer for INDE601 (Netscapes)
  • Lecturer for INDE502 (Net Architecture)
  • Lecturer for INDE402 (Datacloud)


Qualifications

PhD in Computing, University of Bradford, UK.


Professional membership

  • Fellow of the Higher Education Academy (HEA)
  • IEEE Computer Society
  • IEEE Communication Society
  • IEEE Smart Cities Community

Roles on external bodies

External Member of a Degree Approval Panel:

University of Staffordshire: 2015-Computer Networking BSc (Hons)
University of Staffordshire: 2016-Computer Networking MSc

Book proposal review:

IET-Telemedicine for Health Monitoring

Recent Conference and Workshops Programme Committees:

  • The 10th 2017 IEEE International Conference on Cyber, Physical, and Social Computing (CPSCom-2017), 21-23 June 2017, Exeter.
  • IEEE ICC, Comm. Software Services and Multimedia Applications Symposium, 21-26 May 2017, Paris. 
  • IEEE Globecom, Comm. Software Services and Multimedia Applications Symposium, 4-6 December 2016, Washington, DC USA.
  • The 13th IEEE International Conference on Dependable, Autonomic and Secure Computing, 2015, Liverpool.
  • IEEE ICC, Comm. Software Services and Multimedia Applications Symposium, 10-14 June 2014, Sydney. 
  • The 16th IEEE Int. Conference on High-Performance Comp. and Comm. Paris, France, August 20-22, 2014. 
  • The 2013 IEEE Int. Symposium on trust, Security and Privacy for Pervasive Apps. 13-15, Nov. 2013, China. 
  • IEEE 12th Int. Conf. on Trust, Security and Privacy in Comp. and Comm., 16-18, July 2013, Melbourne.
  •  IEEE AFRICON, 9-12, September 2012, Mauritius. 
  • IEEE 11th Int. Conf. on Trust, Security and Privacy in Comp. and Comm. 25-27, June 2012, Liverpool, UK. 
  • IEEE 10th Int. Conf. on Trust, Security and Privacy in Comp. and Comm., 16-18, Nov. 2011, Changsha, China. 

Journal Reviewer:  

  • IEEE Transactions on Vehicular Technology
  • IEEE/ACM Transactions on Networking
  • IEEE Transactions on Communications
  • IEEE Transactions on Computers
  • IEEE Transactions on Parallel & Distributed Systems
  • IEEE Wireless Communications Magazine
  • IEEE Transactions on Intelligent Transportation Systems
  • International Journal of Simulation Modelling Practice and Theory
  • International Journal of Communication Systems
  • Journal of Parallel and Distributed Computing
  • Journal of Wireless and Mobile Computing
  • Journal of Supercomputing

Teaching

Teaching

Teaching interests

Cloud Computing, Computer networking, wireless technologies, Multimedia Communication, Distributed Systems and Mobile programming, Web technologies

Staff serving as external examiners

PhD Examiner:

  • Cranfield University (UK)
  • University of Bedfordshire (UK)
  • Sudan University of Science and Technology (Sudan)
  • SS. Cyril and Methodius University- Macedonia (Macedonia)
  • University of Bradford (UK)
  • Liverpool John Moores University (UK)
  • University of Exeter (UK)
  • The Nelson Mandela African Institution of Science and Technology (NM-AIST), Tanzania

Research

Research

Research interests

Computer networks, QoE control and management, mobility management in mobile and wireless networks, Software Defined Networking, IoT, overlay networks, performance analysis and evaluation of IMS mobility management, parallel computing and collective communication, IMS media plane security for next generation of emergency communication and services

Research degrees awarded to supervised students

Current PhD supervision (4), in progress (1) and completions (3)

   PhD Completion:

  1. Dr. Wahiba Abakker Mohammed Ismaiel (2018) ‘Quality of Experience for Stereoscopic Video Transmission Based on Hybrid Concealment Scheme‘
  2. Dr. Tawfeeg Suliman Noor Jebreel (2018) ‘Modeling of Power Consumption of Video Transmission in the Internet of Things Devices with Acceptable Quality of Experience’
  3. Dr. Abubker Elmnsi Abdalla Mohamed (2017) ‘Assessment and Modelling of Quality of Experience for user of Mobile Devices’

Current PhD/ResM co-supervision (6), in progress (3) and completion (3)  

   PhD/ResM Completion: 

  1. Dr. Ali Edan Taher Alissa (2021) ‘Network-Based Management for Optimising Video Delivery’
  2. Dr. Alcardo Barakabitze (2020) ‘QoE-Centric Control and Management of Multimedia Services in Software Defined and Virtualized Networks’
  3. Mr. Ibrahim Mohammedameen (2020) ‘ResM on Enhancing Video Streaming Quality of DASH over Cloud/Edge Integrated Networks’
     

Current MSc supervision (24), in progress (4) and completions (20)

   MSc completion:

  1. Mohamed Nasr (2022) 'Indoor Autonomous Navigation for UAV using Semantic Segmentation
  2. Sherif Emam Aly Taha (2021) ‘The benefits of merging IoT, cloud computing and 5G network technologies in healthcare services’
  3. Adeola Goriola Makanjuola (2021) ‘Harnessing Big Data innovations and Artificial Intelligence for Humanitarian Response and development’
  4. Adam Jefferiss (2021) ‘The design and implementation of a Prototype API for end-to-end encryption within mobile communication’
  5. Sundeep Kovuru (2021) ‘Best ways to harden the android mobile applications to handle security vulnerabilities
  6. Angelidis Kyriakos (2021) ‘Investigation, implementation, and evaluation of a secure cloud-native web application, using micro services-oriented architecture’
  7. Akomolafe Kayode Ebenezer (2021) ‘Virtual Connection for Artisan and Craft men to urban market’
  8. Amit Lulla (2021) ‘Comparative study of native and hybrid mobile applications: Tools, technologies, platforms, performance, reusability and features’
  9. Jonas Colin (2020) ‘Challenges and Limitation for Cloud Computing adoption in a developing country setting with a focus on Central African Republic’
  10. Ferron Senior (2020) ‘The effect of disruptive technologies on the major insurance providers in Jamaica: How can IT respond to improve the company’s chance of survival’
  11. Olatunde Steve Folorunso (2020) ‘Challenges of Cloud Computing Adoption in Nigeria SMEs’
  12. Kenrick McGaw (2020) ‘The future of end user requirements with cloud computing in Business’
  13. Olga Arapova (2020) ‘Cloud-based data preparation solution: replacing manual data processing with machine learning algorithms’
  14. Kirill Okhotnitski (2020) ‘An Algorithm for Fair Distribution of Resource Allocation in Vehicular Cloud Computing’
  15. David McGettrick (2020) ‘A framework for secure adoption, usage, and governance of AWS public cloud infrastructure in the healthcare industry’
  16. Anwar Salim Ali Al Jahwari (2019) ‘Increasing Websites Availability using Microservices’
  17. Radcliffe Ian Brown (2019) ‘The Impact of security on safety-critical systems’
  18. Desire Larue (2019) ‘Impact of more Data on Supervisory Processes, Technology, Compliance Monitoring, Policy Decisions in Central Banking’
  19. Edythe Simiyu (2019) ‘Microsoft Office 365 suite adoption in Kenya. A Case study of Multinationals in the Logistics Sector’
  20. Jeremy Smith (2018) ‘How Cloud-Based Technologies can be Utilized to Benefit the HPC Demands of the Media and Entertainment & Broadcast Industry’

Grants & contracts

As a key team member, I have made significant contributions to several EU projects, such as 

  • Design and Engineering of the Next Generation Internet: Towards the Convergence of Multi-Service Heterogeneous Networks (FP6, NoE-NGi, 2003-2005)
  • Communication Performance Modelling, Science Foundation Ireland (SFI, 2005-2006)
  • Design and Engineering of the Future Generation Internet (FP6, NoE-FGi, 2005-2008)
  • Enabling Convergence of IP Multimedia Services over Next Generation Networks Technology (FP6, VITAL, 2006-2008)
  • ICT on Networked Media, Collaborative Project: ADAMANTIUM (ADAptative Management of media distribution based on satisfaction oriented User Modelling) (FP7, 2008-2010)
  • Collaborative Project: GERYON (Next Generation Technology Independent Interoperability of Emergency Services) (FP7 SEC-2011, 2012-2015)
  • QoE-NET (innovative Quality Of Experience maNagement in Emerging mulTimedia services) (EU H2020-MSCA-ITN-2014,2015-2018)

Publications

Publications

Journals

Barakabitze AA, Mkwawa I-H, Hines A, Sun L & Ifeachor E (2020) 'QoEMultiSDN: Management of Multimedia Services using MPTCP/SR in Softwarized and Virtualized Networks' IEEE Access 1-1 , DOI Open access

Fajardo JO, Liberal F, Li F, Clarke N & Mkwawa I-H 2019 'End-to-middle-to-end solution for IMS media plane security' Electronic Commerce Research 19, (3) 719-746 , DOI

Anegekuh L, Sun L, Jammeh E, Mkwawa I-H & Ifeachor E 2015 'Content-Based Video Quality Prediction for HEVC Encoded Videos Streamed Over Packet Networks' IEEE Transactions on Multimedia 17, (8) 1323-1334 , DOI

Fajardo JO, Liberal F, Li F, Clarke N & Mkwawa I-H 2014 'End-to-middle-to-end solution for IMS media plane security' Electronic Commerce Research , DOI PEARL

Mkwawa IHM & Kouvatsos DD 2011 'Broadcasting methods in MANETS: An overview' Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 5233, 767-783 , DOI

Mkwawa IHM, Kouvatsos DD & Popescu A 2011 'Overlay networks and graph theoretic concepts' Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 5233, 1039-1054 , DOI

Mkwawa IHM, Kouvatsos DD, Brandstätter W, Horak G, Geier A & Kavadias C 2011 'Performance modelling and evaluation of a mobility management mechanism in IMS-based networks' Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 5233, 594-611 , DOI

Fajardo J-O, Liberal F, Mkwawa I-H, Sun L & Koumaras H 2010 'QoE-driven dynamic management proposals for 3G VoIP services' Computer Communications 33, (14) 1707-1724 , DOI

Jammeh E, Mkwawa I, Khan A, Goudarzi M, Sun L & Ifeachor E 2010 'Quality of experience (QoE) driven adaptation scheme for voice/video over IP' Telecommunication Systems 49, (1) 99-111 , DOI

Jammeh E, Mkwawa I, Sun L & Ifeachor E 2010 'Type-2 fuzzy logic control of PQoS driven adaptive VoIP scheme' ELECTRONICS LETTERS 46, (2) 137-U55 Author Site , DOI

Kouvatsos DD & Mkwawa IM 2004 'Broadcasting schemes for hypercubes with background traffic' Journal of Systems and Software 73, (1) 3-14 , DOI

Kouvatsos DD, Mkwawa IM & Awan I 2004 'One-to-all broadcasting scheme for arbitrary static interconnection networks with bursty background traffic' Concurrency and Computation: Practice and Experience 16, (13) 1365-1383 , DOI

MKWAWA IM & KOUVATSOS DD 2003 'AN OPTIMAL NEIGHBOURHOOD BROADCASTING SCHEME FOR STAR INTERCONNECTION NETWORKS' Journal of Interconnection Networks 04, (01) 103-112 , DOI

Kouvatsos DD & Mkwawa IM 2003 'Multicast communication in grid computing networks with background traffic' IEE Proceedings - Software 150, (4) 257-257 , DOI

Barakabitze AA, Sun L, Mkwawa I-H & Ifeachor E 0 'A Novel QoE-Aware SDN-enabled, NFV-based Management Architecture for Future Multimedia Applications on 5G Systems' 2016 Author Site PEARL

Books

Sun L, Mkwawa I-H, Jammeh E & Ifeachor EC 2013 Guide to Voice and Video over IP - For Fixed and Mobile Networks. Springer Computer Communications and Networks

Chapters

Al-Juboori, Shaymaa; Mkwawa, Is-Haka; Lingfen Sun, ; Ifeachor, Emmanuel: 'Modeling the relationships between changes in EEG features and subjective quality of HDR images' (Healthcare Technologies, 2020), 'Advances in Telemedicine for Health Monitoring: Technologies, Design and Applications', Chap. 11, pp. 213-237, DOI

Al-Juboori, Shaymaa; Mkwawa, Is-Haka; Lingfen Sun, ; Ifeachor, Emmanuel: 'Impact of tone-mapping operators and viewing devices on visual quality of experience of colour and grey-scale HDR images' (Healthcare Technologies, 2020), 'Advances in Telemedicine for Health Monitoring: Technologies, Design and Applications', Chap. 10, pp. 187-212, DOI

Sun L, Mkwawa I-H, Jammeh E & Ifeachor E (2013) 'Case Study 1—Building Up a VoIP System Based on Asterisk' Computer Communications and Networks Springer London 193-213 , DOI

Sun L, Mkwawa I-H, Jammeh E & Ifeachor E (2013) 'Case Study 2—VoIP Quality Analysis and Assessment' Computer Communications and Networks Springer London 215-235 , DOI

Sun L, Mkwawa I-H, Jammeh E & Ifeachor E (2013) 'Case Study 3—Mobile VoIP Applications and IMS' Computer Communications and Networks Springer London 237-264 , DOI

Sun L, Mkwawa I-H, Jammeh E & Ifeachor E (2013) 'IMS and Mobile VoIP' Computer Communications and Networks Springer London 163-192 , DOI

Sun L, Mkwawa I-H, Jammeh E & Ifeachor E (2013) 'Media Transport for VoIP' Computer Communications and Networks Springer London 73-100 , DOI

Sun L, Mkwawa I-H, Jammeh E & Ifeachor E (2013) 'Speech Compression' Computer Communications and Networks Springer London 17-51 , DOI

Sun L, Mkwawa I-H, Jammeh E & Ifeachor E (2013) 'Video Compression' Computer Communications and Networks Springer London 53-72 , DOI

Sun L, Mkwawa I-H, Jammeh E & Ifeachor E (2013) 'VoIP Quality of Experience (QoE)' Computer Communications and Networks Springer London 123-162 , DOI

Sun L, Mkwawa I-H, Jammeh E & Ifeachor E (2013) 'VoIP Signalling—SIP' Computer Communications and Networks Springer London 101-122 , DOI

Mkwawa I-H & Kouvatsos DD 2011 'Broadcasting Methods in MANETS: An Overview' in Kouvatsos DDNetwork Performance Engineering Springer 767-783 Publisher Site

Mkwawa I-H, Kouvatsos DD & Popescu A 2011 'Overlay Networks and Graph Theoretic Concepts' in Kouvatsos DDNetwork Performance Engineering Springer 1039-1054 Publisher Site

Mkwawa I-H, Kouvatsos DD, Brandstätter W, Horak G, Geier A & Kavadias CD 2011 'Performance Modelling and Evaluation of a Mobility Management Mechanism in IMS-Based Networks' in Kouvatsos DDNetwork Performance Engineering Springer 594-611 Publisher Site

Conference Papers

Wirastuti N, Saputra KO, Darmaastawan K, Mkwawa I-H (2021) 'Gamification Model in Scheduling and Attendance System of Traditional Village Activities' International Conference on Smart-Green Technology in Electrical and Information Systems (ICSGTEIS), 28 Oct 2021-30 Oct 2021. 2021 International Conference on Smart-Green Technology in Electrical and Information Systems (ICSGTEIS). IEEE. 28 Oct 2021, DOI

Barakabitze AA, Sun L, Mkwawa I-H & Ifeachor E (2020) 'Multipath Protections and Dynamic Link Recovery in Softwarized 5G Networks using Segment Routing' IEEE Globecom 2019, Workshop on FUTURE INTERNET ARCHITECTURE, TECHNOLOGIES AND SERVICES FOR 2030 AND BEYOND , DOI

Mohammedameen I, Mkwawa I-H & Sun L (2019) 'Follow-me Prefetching for Video Streaming Over Mobile Edge Computing Networks' 2019 IEEE SmartWorld, Ubiquitous Intelligence & Computing, Advanced & Trusted Computing, Scalable Computing & Communications, Cloud & Big Data Computing, Internet of People and Smart City Innovation (SmartWorld/SCALCOM/UIC/ATC/CBDCom/IOP/SCI) 8-/-0/20198-/-0/2019IEEE , DOI

Elmnsi A, Mira F, Osman N & Mkwawa I-H 2019 'Implementation of QoE Model Based on Pixel Density' 2019 2nd International Conference on Computer Applications & Information Security (ICCAIS) 01/05/2019 03/05/2019 IEEE , DOI

Al-Issa AE, Bentaleb A, Zinner T, Mkwawa I-H & Ghita B 2019 'BBGDASH: A Max-Min Bounded Bitrate Guidance for SDN Enabled Adaptive Video Streaming' 2019 22nd Conference on Innovation in Clouds, Internet and Networks and Workshops (ICIN) 19/02/2019 21/02/2019 IEEE , DOI

Asan A, Mkwawa I-H, Sun L, Robitza W & Begen AC 2018 'Optimum Encoding Approaches on Video Resolution Changes: A Comparative Study' 2018 25th IEEE International Conference on Image Processing (ICIP) 07/10/2018 10/10/2018 IEEE , DOI PEARL

Barakabitze AA, Mkwawa IH, Sun L & Ifeachor E 2018 'QualitySDN: Improving Video Quality using MPTCP and Segment Routing in SDN/NFV' 10-18 , DOI PEARL

Barakabitze AA, Sun L, Mkwawa IH & Ifeachor E 2018 'A Novel QoE-Centric SDN-Based Multipath Routing Approach for Multimedia Services over 5G Networks' , DOI PEARL

Barakabitze A, Mkwawa I-H, Sun L & Ifeachor EC 2018 'QualitySDN: Improving Video Quality using MPTCP and Segment Routing in SDN/NFV' 2018 4th IEEE Conference on Network Softwarization and Workshops (NetSoft) IEEE 182-186 Publisher Site , DOI PEARL

Elmnsi A, Osman N & Mkwawa I-H 2017 'Mobile devices pixel density and video quality' 2017 4th NAFOSTED Conference on Information and Computer Science 24/11/2017 25/11/2017 IEEE , DOI

Asan A, Robitza W, Mkwawa I-H, Sun L, Ifeachor E, Raake A & IEEE 2017 'IMPACT OF VIDEO RESOLUTION CHANGES ON QoE FOR ADAPTIVE VIDEO STREAMING' 499-504 PEARL

Al-Juboori S, Mkwawa I-H, Sun L, Ifeachor E & IEEE 2017 'INVESTIGATION OF RELATIONSHIPS BETWEEN CHANGES IN EEG FEATURES AND SUBJECTIVE QUALITY OF HDR IMAGES' 91-96 PEARL

Karaadi A, Sun L & Mkwawa I-H 2017 'Multimedia Communications in Internet of Things QoT or QoE?' 2017 IEEE International Conference on Internet of Things (iThings) and IEEE Green Computing and Communications (GreenCom) and IEEE Cyber, Physical and Social Computing (CPSCom) and IEEE Smart Data (SmartData) 21/06/2017 23/06/2017 IEEE , DOI PEARL

Awad N & Mkwawa I-H 2017 'The impact of the reference signal received power to quality of experience for video streaming over LTE network' 2017 Annual Conference on New Trends in Information & Communications Technology Applications (NTICT) 07/03/2017 09/03/2017 IEEE , DOI

Mkwawa IH, Barakabitze AA & Sun L 2017 'Video quality management over the software defined networking' 11/06/2016 13/06/2016 559-564 , DOI PEARL

Noor TS, Osman NI & Mkwawa I-HM 2016 'The impact of gender on the Quality of Experience for video services' 2016 22nd International Conference on Automation and Computing (ICAC) 07/09/2016 08/09/2016 IEEE , DOI

Ifeachor E, Mkwawa IM, Sun L & Al-Juboori S 2016 'Impact of tone-mapping operators and viewing devices on visual quality of experience' , DOI PEARL

Alfayly A, Mkwawa I-H, Sun L & Ifeachor E 2015 'QoE-driven LTE downlink scheduling for VoIP application' 2015 12th Annual IEEE Consumer Communications and Networking Conference (CCNC) 09/01/2015 12/01/2015 IEEE , DOI

Hu S, Sun L, Gui C, Jammeh E & Mkwawa I-H 2014 'Content-aware adaptation scheme for QoE optimized dash applications' GLOBECOM 2014 - 2014 IEEE Global Communications Conference 08/12/2014 12/12/2014 IEEE , DOI

Li F, Clarke N, Furnell S & Mkwawa I-H 2014 'Performance evaluation of a Technology Independent Security Gateway for Next Generation Networks' 2014 IEEE 10th International Conference on Wireless and Mobile Computing, Networking and Communications (WiMob) 08/10/2014 10/10/2014 IEEE , DOI

Fajardo JO, Liberal F, Mkwawa I-H & Sun L 2014 'Autonomous adaptation strategies for multiuser multimedia transmissions in the LTE uplink: Energy and network performance driven clients for emergency professionals' ICC 2014 - 2014 IEEE International Conference on Communications 10/06/2014 14/06/2014 IEEE , DOI

Fajardo JO, Liberal F, Li F, Clarke N, Mkwawa I-H & Sun L 2014 'Performance-driven evaluation for deploying IMS-based interoperability scenarios' ICC 2014 - 2014 IEEE International Conference on Communications 10/06/2014 14/06/2014 IEEE , DOI

Jammeh E, Mkwawa I-H & Sun L 2013 'HEVC/LTE: DELIVERING NEXT GENERATION EMERGENCY SERVICES' 317-324

Mkwawa I-H, Jammeh E & Sun L 2012 'Mapping of Received Signal Strength Indicator to QoE in VoIP applications over wlan' Burnett ISIEEE 156-157 Publisher Site

Mkwawa I-H & Sun L 2012 'Power-driven VoIP quality adaptation over WLAN in mobile devices' IEEE 1276-1281 Publisher Site

Alfayly A, Mkwawa I-H, Sun L & Ifeachor E 2012 'QoE-based performance evaluation of scheduling algorithms over LTE' 1362-1366-1362-1366 , DOI

Khan A, Mkwawa I-H, Sun L & Ifeachor E 2011 'QoE-Driven Sender Bitrate Adaptation Scheme for Video Applications over IP Multimedia Subsystem' 1-6-1-6 , DOI

Mkwawa I-H, Jammeh E, Sun L, Ifeachor E & IEEE 2010 'Feedback-free Early VoIP Quality Adaptation Scheme in Next Generation Networks'

Mkwawa I-H, Jammeh E, Sun L, Khan A, Ifeachor E & IEEE 2009 'Open IMS Core with VoIP Quality Adaptation' 295-300 , DOI

Mkwawa IM & Kouvatsos DD 2008 'Performance Modelling and Evaluation of Handover Mechanism in IP Multimedia Subsystems' 2008 Third International Conference on Systems and Networks Communications 26/10/2008 31/10/2008 IEEE , DOI

Lastovetsky AL, Mkwawa I-H & O'Flynn M 2006 'An Accurate Communication Model of a Heterogeneous Cluster Based on a Switch-Enabled Ethernet Network' IEEE Computer Society 15-20 Publisher Site , DOI

Kouvatsos DD & Mkwawa IM 2003 'Multicast communication in interconnection networks with background traffic' International Parallel and Distributed Processing Symposium (IPDPS 2003) IEEE Comput. Soc , DOI

Kouvatsos DD, Mkwawa I-H & Awan I-U 2003 'One-to-All Broadcasting Scheme for Hypercubes with Background Traffic' IEEE Computer Society 127-134 Publisher Site , DOI

Kouvatsos DD & Mkwawa I-H 2002 'One-to-All Broadcasting Scheme for Static Interconnection Networks with Arbitrary Topology' IEEE Computer Society Publisher Site , DOI

Barakabitze A, Sun L, Mkwawa I & Ifeachor E 0 'IEEE ICC 2018' IEEE ICC 2018 Kansas City, MO, USA 20/05/2018 24/05/2018 PEARL