1. School of Physical Therapy, Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen 40002, Thailand
2. Innovation to Improve Cardiopulmonary and Physical Performance (IICP) Research Group, Khon Kaen University, Khon Kaen 40002, Thailand
3. Department of Physical Therapy, Faculty of Medicine, Prince of Songkla University, Songkla 90110, Thailand
4. Unit of Physical Therapy, Department of Rehabilitation, Chulaborn Hospital, Bangkok 10210, Thailand
5. Department of Tropical Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand
6. Pulmonary and Critical Care Medicine, Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen 40002, Thailand