1. Department of Rehabilitation Medicine, West China School of Public Health and West China Fourth Hospital, Sichuan University 1 , Chengdu 610041, China
2. College of Aviation Engineering, Civil Aviation Flight University of China 2 , Guanghan 618307, China
3. Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine 3 , Chengdu 610075, China
4. Department of Orthopedics, West China School of Public Health and West China Fourth Hospital, Sichuan University 4 , Chengdu 610041, China