1. Department of Paediatrics, KK Women’s and Children’s Hospital, Singapore
2. Division of Pediatric Infectious Diseases, Seoul National University Hospital, Seoul, South Korea
3. Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
4. Department of Pediatrics, Institute of Child Health, Kolkata, India
5. Global Vaccine Medical Affairs, Merck Research Laboratories, Merck & Co., Inc, Kenilworth, NJ, USA
6. Department of Pediatrics, National Taiwan University Children’s Hospital, Taipei City, Taiwan
7. Women’s and Children’s Health Network and Robinson Research Institute and Adelaide Medical School, The University of Adelaide, Adelaide, Australia
8. Center for Observational and Real-World Evidence, Merck & Co., Inc., Kenilworth, NJ, USA