Mustafa M, Aburas H, Helo F, Qarawi L.
An-najah University hospitalnablus, Palestine.
An-najah National University Faculty of Medicine and Health Sciences, 455978, Nablus, Palestine.

Carvalho M, Erbano BO, Kuwaki EY, Pontes HP, Liu JW, Boros LH, Asinelli MO, Baena CP.
Escola de Medicina, PUCPR-Pontifícia Universidade Católica do Paraná, Rua Imaculada Conceição, 1155-Prado Velho, Curitiba, Paraná, Brazil.
Hospital de Clínicas, UFPR-Universidade Federal do Paraná, Rua General Carneiro, 181-Alto da Glória, Curitiba, Paraná, Brazil.
Hospital Marcelino Champagnat, Av. Pres. Affonso Camargo, 1399-Cristo Rei, Curitiba, Paraná, Brazil.

Nasseh H, Abdi S, Roshani A, Kazemnezhad E.
Urology Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Guilan, Iran.

Iqbal N, Muhammad S, Zafar W, Tashfeen R, Faiz J, Hasan A, Hussain I, Akhter S.
Department of Urology and Kidney Transplant, Pakistan Kidney Institute, Shifa International Hospital, Islamabad.
Medical Student, Bahria University Medical and Dental College, Karachi.
Medical Student, Shifa College of Medicine, Shifa Tameer-e- Millat University, Islamabad.

Chaussy C, Schmiedt E, Jocham D, Brendel W, Forssmann B, Walther V.
Department of Urology, Institute for Surgical Research, Ludwig-Maximilian University of Munich, Dornier System, Friedrichshafen, West Germany.