Affiliation: | 1. Institute of Neuroscience, Department of Anatomy, College of Basic Medicine, Chongqing Medical University, Chongqing, P.R. China;2. Department of Urology, The First Affiliated Hospital, Chongqing Medical University, Chongqing, P.R. China;3. Department of Tissue and Embryology, Chongqing Medical University, Chongqing, P.R. China |