1. Department of Orthopedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning 110004, P.R. China
2. 2Department of Hyperbaric Oxygen Therapy, The People's Hospital of China Medical University, Shenyang, Liaoning 110016, P.R. China
3. Department of Joint Surgery, The First Affiliated Hospital of Dalian Medical University, Dalian, Liaoning 116001, P.R. China