作者单位:Department of Urology, Second Affiliated Hospital, Harbin Medical University, 150040 Harbin, China[1]School of Education Science, Harbin University, 150086 Harbin, China[2]Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden, Center for[3]Department of Microbiology, Harbin Medical University, Harbin 150081, China, Heilongjiang Key[4]