1. Department of General Surgery and The First Affiliated Hospital of Shandong First Medical University (Shandong Provincial Qianfoshan Hospital), Jinan, China.
2. Postgraduate Department, Shandong First Medical University, Jinan, China.
3. Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University (Shandong Provincial Qianfoshan Hospital), Jinan, China.
4. Department of Orthopaedics, The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China.