1. Department of Pathology The First Affiliated Hospital of Guangxi Medical University Nanning Guangxi Zhuang Autonomous Region P.R. China
2. Division of Spinal Surgery The First Affiliated Hospital of Guangxi Medical University Nanning Guangxi Zhuang Autonomous Region P.R. China
3. Department of Urology The First Affiliated Hospital of Guangxi Medical University Nanning Guangxi Zhuang Autonomous Region P.R. China