Mittal V, Srivastava A, Kappor R, Ansari MS, Patidar N, Arora S, Kumar M, Kudchadkar S, Raj A.
Department of Kidney Transplant and Urology, Sanjay Gandhi Post Graduate Institute of Medical Sciences (SGPGIMS), Lucknow, India.

Telha KA, Alkohlany K, Alnono I.
Department of Urology, Al-Thawrah Modern General Hospital and Ibn-Siena Hospital, Sana'a Medical College, Sana'a University, Yemen.

Kaczmarek K, Gołąb A, Słojewski M.
Department of Urology and Urological Oncology, Pomeranian Medical University, Szczecin, Poland.

Nussberger F, Roth B, Metzger T, Kiss B, Thalmann GN, Seiler R.
Department of Urology, University of Bern, Freiburgstrasse, 3010, Bern, Switzerland.

Vaysse T, Boytchev I, Antoni G, Croix DS, Choury AD, Laurent V, Pelletier G, Buffet C, Bou-Farah R, Carbonnel F.
Service de Gastroentérologie, University Hospital of Bicêtre, Assistance Publique-Hôpitaux de Paris, Université Paris Sud, Le Kremlin Bicêtre, France.