1. Center of Excellence for Medical Genetics Department of Pediatrics Faculty of Medicine Chulalongkorn University Bangkok 10330 Thailand
2. Excellence Center for Medical Genetics King Chulalongkorn Memorial Hospital the Thai Red Cross Society Bangkok 10330 Thailand
3. Departments Medicine and Research and Development Faculty of Medicine Siriraj Hospital Mahidol University Bangkok 10700 Thailand
4. Medical Genetic Centre Medical Life Sciences Institute Department of Medical Sciences Ministry of Public Health Nonthaburi 11000 Thailand