Ichiyanagi O, Nagaoka A, Izumi T, Kawamura Y, Tsukigi M, Ishii T, Ohji H, Kato T, Tomita Y.
Department of Urology, Faculty of Medicine, Yamagata University, Japan.

Ferreira Cassini M, Cologna AJ, Ferreira Andrade M, Lima GJ, Medeiros Albuquerque U, Pereira Martins AC, Tucci Junior S.
Division of Urology, Department of Surgery and Anatomy, Ribeirao Preto Medical School, University of Sao Paulo, Brazil

Mandal S, Sankhwar SN, Singh MK, Kathpalia R, Singh V, Goel A, Singh BP, Dalela D.
Department of Urology, Chhatrapati Shahuji Maharaj Medical University, formerly King George Medical College, Lucknow, India

Moon KB, Lim GS, Hwang JS, Lim CH, Lee JW, Son JH, Jang SH.
Department of Urology, Bundang Jesaeng General Hospital, Seongnam, Korea.

Chang CC, Pu YR, Manousakas I, Liang SM, Yu FM, Tong YC, Lin SH.
Dept. of Urology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan.