1. Division of Academic Affairs, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
2. Division of Pediatric Endocrinology, Department of Pediatrics, Faculty of Medicine, Chulalongkorn University, Bangkok 10330, Thailand
3. Division of Pediatric Endocrinology, Department of Pediatrics, King Chulalongkorn Memorial Hospital, Bangkok 10330, Thailand
4. Department of Environmental Health Sciences, Graduate School of Public Health, Seoul National University, Seoul 08826, Republic of Korea