1. Area of Exercise Physiology, Faculty of Sports Science, Chulalongkorn University, Bangkok, Thailand.
2. Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand.
3. Department of Kinesiology and Health Education, The University of Texas at Austin, Austin, TX, USA.
4. Exercise Physiology in Special Population Research Unit, Chulalongkorn University, Bangkok, Thailand.