1. Department of Orthopaedics, The Tumor Hospital Affiliated to Harbin Medical University , Harbin , Heilongjiang , China
2. Department of Pathology, The Tumor Hospital Affiliated to Harbin Medical University , Harbin , Heilongjiang , China
3. Department of Orthopaedics, The Hospital of Orthopaedics and Traumatology in Harbin , Harbin , Heilongjiang , China
4. Dermatology Department, The Fourth Affiliated Hospital of Harbin Medical University , Harbin , Heilongjiang , China
5. Department of Orthopaedics, The Second Affiliated Hospital of Harbin Medical University , No. 246, Xuefu Road, Nangang District , Harbin 150001 , Heilongjiang , China