1. Department of Sports Medicine, Huashan Hospital & State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai 200040, China
2. Department of Orthopedics, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou 310003, China
3. State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China