1. Department of Orthopedic Surgery, Second Affiliated Hospital, School of Medicine; Zhejiang University; Hangzhou China
2. Orthopedic Research Institute of Zhejiang University; Hangzhou China
3. Department of Oral Medicine, Infection and Immunity; Harvard School of Dental Medicine; Boston MA USA
4. Center of Clinical Epidemiology & Biostatistics, Department of Science and Education, the Second Affiliated Hospital, School of Medicine; Zhejiang University; Hangzhou Zhejiang China
5. Faculty of Dentistry; The University of Hong Kong; Pokfulam Hong Kong
6. Department of Hand Surgery; The First Affiliated Hospital of Zhejiang University; Hangzhou China