1. Orthopaedic Department of Xi’an No.3 Hospital, Affiliated Hospital of Northwest University, Xi’an, Shaanxi, China;
2. Department of Orthopeadic, Xijing Hospital, The Fourth Military Medical University, Xi’an, Shaanxi, China;
3. School of Chemical Engineering, Xi’an University, Xi’an, Shaanxi, China;
4. General Surgery Department of Xi’an No.3 Hospital, Affiliated Hospital of Northwest University, Xi’an, Shaanxi, China