1. Division of Pediatric Endocrinology, Department of Pediatrics, Faculty of Medicine Chulalongkorn University Bangkok Thailand
2. Department of Physiology, Faculty of Medicine Chulalongkorn University Bangkok Thailand
3. Department of Anatomy, Faculty of Medicine Chulalongkorn University Bangkok Thailand
4. Division of Pulmonary and Critical Care Medicine, Department of Medicine, Faculty of Medicine Chulalongkorn University Bangkok Thailand
5. Excellence Center for Sleep Disorders King Chulalongkorn Memorial Hospital, Thai Red Cross Society Bangkok Thailand
6. Division of Endocrinology, Department of Medicine Ramathibodi Hospital Bangkok Thailand
7. Division of Endocrinology, Diabetes, and Metabolism University of Illinois Chicago Chicago Illinois USA