1. Department of Pediatrics, Faculty of Medicine Siriraj Hospital, Mahidol University
2. Department of Cardiology, Queen Sirikit National Institute of Child Health
3. Department of Pediatrics, Faculty of Medicine, Chieng Mai University
4. Department of Pediatrics, Faculty of Medicine, Khon Kaen University
5. Department of Cardiovascular Thoracic Surgery, Rajavithi Hospital, Mahidol University