1. Department of Pediatrics, Sheikh Khalifa Medical City, Abu Dhabi, UAE
2. Child Healthcare Unit, Dubai Health Authority, Dubai, UAE
3. Virology Unit, Mubarak Al-Kabeer Hospital, Jabriya, Kuwait
4. Department of Communicable Disease Surveillance & Control, Directorate General of Health Affairs, Ministry of Health HQ, Muscat, Sultanate of Oman
5. Department of Pediatrics, Eskisehir Osmangazi University Faculty of Medicine, Eskisehir, Turkey
6. Faculty of Medicine, Jordan University of Science and Technology, Irbid, Jordan
7. Department of Internal Medicine, American University of Beirut Medical Center, Beirut, Lebanon
8. MSD Idea Middle East, Dubai, UAE
9. MSD Morocco S.A.R.L., Casablanca, Morocco
10. Merck & Co., Inc. Center for Observational and Real-World Evidence (CORE), Kenilworth, NJ, USA