1. Department of Pediatric Gastroenterology, Hepatology & Nutrition, Bangladesh Shishu Hospital & Institute, Dhaka, Bangladesh.
2. Department of Statistics, Shahjalal University of Science and Technology, Sylhet, Bangladesh.
3. Child Development Centre, HSM, DGHS, Dhaka, Bangladesh.
4. Department of Pathology, Bangladesh Shishu Hospital & Institute, Dhaka, Bangladesh.
5. Department of Pediatric Gastroenterology, Dr. M R Khan Shishu Hospital & Institute of Child Health, Dhaka, Bangladesh.
6. Department of Pediatrics, BIHS General Hospital, Diabetic Association of Bangladesh, Dhaka, Bangladesh.
7. Department of Pediatrics, Bangladesh Shishu Hospital & Institute, Dhaka, Bangladesh.