1. Department of Orthopaedics, The First Affiliated Hospital of China Medical University, Shenyang 110001, China
2. Department of Orthopaedics, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, China
3. Department of Orthopaedics, The Third Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, China
4. Department of Neurology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, China
5. Department of Oncology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, China