1. Department of Physical Therapy, Suddhavej Hospital, Faculty of Medicine, Mahasarakham University, Maha Sarakham, Thailand
2. Research and Training Center for Enhancing Quality of Life of Working-Age People, Khon Kaen University, Khon Kaen, Thailand
3. Division of Physical Therapy, Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen, Thailand