1. Institute of Nutrition, Mahidol University, Nakhon Pathom, Thailand
2. Siriraj Center of Excellence for Stem Cell Research, Siriraj Hospital, Mahidol University, Bangkok, Thailand
3. Wang Pong Hospital, Wang Pong, Petchaburi, Thailand
4. Phu Khieo Hospital, Phak Pang, Phu Khieo, Chaiyaphum, Thailand
5. Chakkarat Hospital, Chakkarat, Nakhon Ratchasima, Thailand
6. Banbung Hospital, Bangbung, Chonburi, Thailand
7. Bhumibol Adulyadej Hospital, Saimai, Bangkok, Thailand
8. Vichaivej, Nongkhaem Hospital, Nongkhaem, Bangkok, Thailand
9. Krabi Hospital, Krabi, Thailand
10. Kangsanamnang Hospital, Nakornratchasima, Thailand
11. Huai krachao Hospital, Kanchanaburi, Thailand