Affiliation: | 1. Department of Urology, Faculty of Medicine, University of Tsukuba, , Tsukuba, Japan;2. Department of Urology, Tokyo‐kita Social Insurance Hospital, , Tokyo, Japan;3. Center for Innovative Clinical Medicine, Okayama University, , Okayama, Japan;4. Department of Strategic Investigation on Comprehensive Cancer Network, Research Center for Advanced Science and Technology, University of Tokyo, , Tokyo, Japan |