1. West China Hospital, Sichuan University; Department of Rehabilitation Medicine; No. 37 Guo Xue Xiang Chengdu Sichuan China 610041
2. West China School of Public Health, Sichuan University; Department of Biostatistics; No.17 Section 3, Renmin South Road Chengdu Sichuan China 610044
3. West China Hospital, Sichuan University; Department of Neurology; Wai Nan Guo Xue Xiang 37# Chengdu Sichuan China 610041
4. Pain Relief Physical Therapy; 100 Beach Street 1st Floor Boston MA USA 02111
5. West China Hospital, Sichuan University; Chinese Clinical Trial Registry, Chinese Ethics Committee of Registering Clinical Trials; No. 37, Guo Xue Xiang Chengdu Sichuan China 610041
6. Rikshospitalet University Hospital and Medical Faculty University; Department of Orthopedics and Physiotherapy; Oslo Norway