*Tatsuki Miyamoto^1,2, Makito Miyake², Tomonori Nakahama², Nobutaka Nishimura², Kouta Iida², Masaya Yonemori³, Hideki Enokida³, Masayuki Nakagawa³, Hiroaki Matsumoto⁴, Hideyasu Matsuyama⁴, Yuto Matsushita⁵, Hideaki Miyake⁵, Kiyohide Fujimoto² (1. Department of Urology, Takai Hospital, Nara, Japan, 2. Department of Urology, institute of Medicine, University of Nara, Nara, Japan , 3. Department of Urology, institute of Medicine, University of Kagoshima, Kagoshima, Japan, 4. Department of Urology, institute of Medicine, University of Yamaguchi, Yamaguchi, Japan, 5. Department of Urology, institute of Medicine, University of Hamamatsu, Shizuoka, Japan)

*Nobutaka Nishimura¹, Makito Miyake¹, Tatsuki Miyamoto¹, Takuto Shimizu¹, Yosuke Morizawa¹, Shunta Hori¹, Daisuke Gotoh¹, Yasushi Nakai¹, Kazumasa Torimoto¹, Nobumichi Tanaka¹, Kiyohide Fujimoto¹ (1. Department of Urology, Nara Medical University)

*EiChan Lim¹, Hui Mo Gu¹, Jin Soek Gu¹, Do Gyeong Lim¹, Ho Seok Chung¹, Sun Ouck Kim¹, Kyung Jin Oh¹, Seung Il Jung¹, Taek Won Kang¹, Dongdeuk Kwon¹, Kwangsung Park¹, Yang Jun Kang², Nam Yeol Yim², Eu Chang Hwang¹ (1. Department of Urology, Chonnam National University Medical School, Gwangju, Korea, 2. Department of Radiology, Gwangju Mirae Clinic, Gwangju, Korea)

*Naoko Fujita¹, Hiromasa Tsukino¹, Yukiya Fujisaki¹, Toshiyuki Kamoto² (1. Department of Urology, Junwakai Memorial Hospital, Miyazaki, Japan, 2. Department of Urology, Institute of Medicine, University of Miyazaki, Miyazaki, Japan)

*Tadashi Kakitsuba¹, Sou Inamura¹, Hisato Kobayashi¹, Manami Tsutsumiuchi¹, Masaya Seki¹, Minekatsu Taga¹, Masato Fukushima¹, Naoki Terada¹ (1. Department of Urology, Faculty of Medical Sciences, University of Fukui, Eiheiji, Japan)