1. Department of Orthopaedics, Sir Run Run Shaw Hospital, School of Medicine; Zhejiang University; Hangzhou; Zhejiang; China
2. Department of Orthopaedics; Tongde Hospital of Zhejiang Province; Hangzhou; Zhejiang; China
3. Department of Orthopaedics; Taizhou Hospital; Taizhou; Jiangsu; China
4. Department of Orthopaedics; Shaoxing People's Hospital; Shaoxing; Zhejiang; China
5. Department of Orthopaedics; The Central Hospital of Lishui City; Lishui; Zhejiang; China