1. Department of Orthopedics, Second Military Medical University’s Jinan Clinical Medicine College, 25 Shifan Road, Jinan, Shandong 250031, China
2. Department of Orthopedics, General Hospital of Jinan Military Command, 25 Shifan Road, Jinan, Shandong 250031, China
3. Department of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, No. 127 Changle West Road, Xi’an, Shaanxi 710032, China