1. Division of Respiratory Diseases and Tuberculosis, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
2. Udonthani Hospital, Udon Thani, Thailand
3. Division of Pulmonary, Critical Care and Allergy, Department of Internal Medicine, Faculty of Medicine, Chiang Mai University, Chiang Mai, Thailand
4. Department of Internal Medicine, Panyananthaphikkhu Chonprathan Medical Center Srinakharinwirot University, Nonthaburi, Thailand
5. Department of Emergency Medicine, Faculty of Medicine, Rajavithi Hospital, College of Medicine, Rangsit University, Bangkok, Thailand
6. Department of Emergency Medicine, Thammasat University Hospital, Pathum Thani, Thailand
7. Division of Pulmonary and Critical Care Medicine, Department of Internal Medicine, Faculty of Medicine, Thammasat University, Pathum Thani, Thailand
8. Department of Emergency Medicine, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok, Thailand
9. Division of Pulmonary and Critical Care Division, Department of Internal Medicine, Khon Kaen Hospital, Khon Kaen, Thailand
10. Associate Professor of Medicine, General Secretariate, Thai Asthma Council (TAC), Bangkok, Thailand
11. Division of Pulmonary and Critical Care, Department of Internal Medicine, Maharat Nakhon Ratchasima Hospital, Nakhon Ratchasima, Thailand
12. Division of Pulmonary and Critical Care Medicine, Srinagarind Hospital, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand