Moen T, Ferrero A, McCollough C.
Department of Radiology, Mayo Clinic, 200 First Street SW, Rochester, MN 55905.

Kim CH, Shin DS, Kim TB, Jung H.
Department of Urology, Clinical Trials Center, Gachon University Gil Medical Center, Gachon University College of Medicine, Republic of Korea.

Bozkurt A, Mertoglu C, Karabakan M, Siranli G, Yurt EF, Erel O.
Department of Clinical Biochemistry, Faculty of Medicine, Department of Urology, Erzincan University, Erzincan, Turkey.
Department of Clinical Biochemistry, Faculty of Medicine, Yildirim Beyazit University, Ankara, Turkey.

Zhang H, Hong TY, Li G, Jiang N, Hu C, Cui X, Chu C, Zhao JL.
Department of Urology, The First Affiliated Hospital of Soochow University, Suzhou, China.
Department of Urology, Shanghai Pudong New Area Gongli Hospital, Shanghai, China.

Ordon M, Welk B, Ghiculete D, Lee JY, Pace KT.
Division of Urology, Department of Surgery, University of Toronto, Division of Urology, St. Michael's Hospital, Toronto, ON, Canada.
Institute for Clinical Evaluative Sciences, Toronto, ON, Canada.
Division of Urology, Department of Surgery, St. Joseph's Health Care, Department of Epidemiology and Biostatistics, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.