1 Cheeloo College of Medicine, Shandong University, Jinan; Department of Urology, China Rehabilitation Research Center, Beijing, China; University of Health and Rehabilitation Sciences, Qingdao, China; China Rehabilitation Science Institute, Beijing, China; Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China.
2 University of Health and Rehabilitation Sciences, Qingdao, China; China Rehabilitation Science Institute, Beijing, China; Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China; School of Rehabilitation, Capital Medical University, Beijing, China.
3 Cheeloo College of Medicine, Shandong University, Jinan; Department of Urology, China Rehabilitation Research Center, Beijing, China; University of Health and Rehabilitation Sciences, Qingdao, China; China Rehabilitation Science Institute, Beijing, China; Beijing Key Laboratory of Neural Injury and Rehabilitation, Beijing, China; School of Rehabilitation, Capital Medical University, Beijing, China. Electronic address: lmliao@263.net.