Ahmed AF, Shalaby E, El-Feky M, Kotb A, Elsotohi E, El-Kholy M Jr, Ragab A, Salem E.
Department of Urology, Al-Azhar University, Cairo, Egypt.

Lee JH, Lee SY, Park IY, Park SY, Lee JS, Kang G, Kim JS, Eom JS.
Department of Internal Medicine, Kangdong Sacred Heart Hospital, Hallym University Medical College, Seoul, Korea.
Department of Laboratory Medicine, Kangdong Sacred Heart Hospital, Hallym University Medical College, Seoul, Korea.

Khatami A, Rosengren K.
Department of Urology, Sahlgrenska University Hospital, Gothenburg, Sweden.
Institute of Health and Care Sciences, University of Gothenburg, Gothenburg, Sweden.

Heers H, Turney BW.
Department of Urology, Oxford University Hospitals, Nuffield Department of Surgical Sciences, University of Oxford, Oxford, United Kingdom.

Khan Z, Yaqoob AA, Bhatty TA.
Department of Urology, King Hamad University Hospital, Kingdom of Bahrain.