Vorapong Phupong, Bangkok, Thailand
Chulalongkorn Univeristy, Bangkok, Thailand
Chulalongkorn university, Bangkok, Thailand
Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
Central Chest Institute of Thailand, Nonthaburi, Mueang Nonthaburi District, Thailand
National Cancer Institute of Thailand, Bangkok, Thailand
Pediatric department, Faculty of medicine, Chulalongkorn University, Pathum Wan, Bangkok, Thailand
Chula Clinical Research Center (Chula CRC), Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
Academic Clinical Research Office (ACRO) Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
Chulalongkorn University, Bangkok, Thailand