1. Department of Child Health, Dr. Soetomo General Academic Hospital, Surabaya, Indonesia.
2. Department of Child Health, Faculty of Medicine, Universitas Airlangga, Surabaya, Indonesia.
3. Division of Gastroenterology, National Center for Child Health and Development, Tokyo, Japan.
4. Department of Pediatrics, National Taiwan University Hospital, Taipei, Taiwan.
5. Department of Pediatrics, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand.
6. Department of Gastroenterology, Nutrition and Endocrinology, Osaka Women’s and Children’s Hospital, Osaka, Japan.
7. Departments of Pediatrics, Asan Medical Center Children’s Hospital, University of Ulsan College of Medicine, Seoul, Korea.
8. Department of Pediatrics, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand.