Nobumichi Tanaka*, Isao Asakawa, Kiyohide Fujimoto, Satoshi Anai, Akihide Hirayama, Masatoshi Hasegawa, Noboru Konishi and Yoshihiko Hirao
* Corresponding author: Nobumichi Tanaka sendo@naramed-u.ac.jp
BMC Urology 2012, 12:28 doi:10.1186/1471-2490-12-28