1. Department of Orthopedic Surgery, Musculoskeletal Research Center, Chang Gung Memorial Hospital and Chang Gung University 33302, Tao-Yuan, Taiwan
2. Department of Chinese Acupuncture and Traumatology, Center of Traditional Chinese Medicine, Chang Gung Memorial Hospital, Linkou, Taiwan
3. Department of Addiction Psychiatry, Tao-Yyuan Mental Hospital, Ministry of Health and Welfare, Taiwan