1 Yao-Ning Feng, MD, Urology Surgery Department, The Fifth Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China, The First People's Hospital of Nanning, Nanning, Guangxi, China; Li Xiao, MD, Department of Critical Care Medicine, The Fifth Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China, The First People's Hospital of Nanning, Nanning, Guangxi, China; and Guang-Yu Xie, MD, Urology Surgery Department, The Fifth Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China, The First People's Hospital of Nanning, Nanning, Guangxi, China.