1. Department of Orthopaedic Surgery, Zhejiang Province Tongde Hospital, Hangzhou, Zhejiang Province, China
2. Institute of Clinical Anatomy, Southern Medical University, Guangzhou, Guangdong Province, China
3. School of Computer Science and Software Engineering, University of Western Australia, Crawley, Australia
4. Department of Orthopaedic Surgery, Yangpu Hospital of Tongji University, Shanghai, China