1. College of Mechatronics and Control Engineering, Shenzhen University, Shenzhen 518000, China
2. College of Computer and Information Science, Chongqing Normal University, Chongqing 401331, China
3. Shunde Hospital, Southern Medical University, Foshan 528000, China
4. Department of Rehabilitation Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing 400010, China