[1] Khon Kaen Univ, Fac Associated Med Sci, Sch Phys Therapy, 123 Mitraphab Rd, Khon Kaen 40002, Thailand
[2] Khon Kaen Univ, Res Ctr Back Neck Other Joint Pain & Human Perfor, 123 Mitraphab Rd, Khon Kaen 40002, Thailand
[3] Khon Kaen Univ, Fac Technol, Prod Technol Dept, Khon Kaen 40002, Thailand
[4] Univ S Australia, Sch Hlth Sci Physiotherapy, Adelaide, SA 5001, Australia