Institution: | 1.Department of Orthopedics,The 309th Hospital of PLA,Beijing,China;2.Department of Orthopedics,The General Hospital of People’s Liberation Army,Beijing,China;3.Department of Orthopedics,Chinese PLA General Hospital and Hainan Branch,Sanya,China;4.Department of Orthopedics,Tianjin Hospital,Tianjin,China |