1. Department of Pediatrics, Chattogram Medical College Hospital, Chattogram, Bangladesh
2. Department of Epidemiology and Community Medicine, Bangladesh Institute of Tropical and Infectious Diseases, Chattogram, Bangladesh
3. Department of Pediatrics, Chittagong Medical College, Chattogram, Bangladesh
4. Department of Pediatrics, Chattogram Maa-O-Shishu Hospital Medical College, Chattogram, Bangladesh
5. Dev Care Foundation, Dhaka, Bangladesh
6. Department of Medicine, Universal Medical College Research Center, Dhaka, Bangladesh
7. Department of Medicine, Chattagram International Medical College, Chattogram, Bangladesh
8. World Health Organization, Geneva, Switzerland