1. Institute of Intelligent Medicine and Biomedical Engineering, Ningbo University, Ningbo, China
2. School of Medicine, Ningbo University, Ningbo, Zhejiang, China
3. Affiliated Hospital of Ningbo University Medical College, Ningbo, China
4. Department of Orthopedics, Ningbo Yinzhou No.2 Hospital, Ningbo, Zhejiang, China
5. Department of Electrical and Computer Engineering, Stevens Institute of Technology, Hoboken, NJ, USA