aDepartment of Rehabilitation, Kaohsiung Municipal Ta-Tung Hospital, Kaohsiung, Taiwan bDepartment of Traditional Chinese Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan cDepartment of Occupational Therapy, College of Health Sciences, Kaohsiung Medical University, Kaohsiung, Taiwan dDepartment of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan