1. Unit of Excellence for Physical Fitness and Exercise, Department of Physical Therapy, School of Allied Health Sciences, University of Phayao, Phayao 56000, Thailand
2. Vinai Parkpian Orthopaedic Research Center, Department of Orthopaedics, Faculty of Medicine, Chulalongkorn University, King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok 10330, Thailand