1. Department of Urology, ‘Grigore T. Popa’ University of Medicine and Pharmacy, 700115 Iași, Romania
2. Department of Urology, ‘C. I. Parhon’ Hospital, 700503 Iași, Romania
3. Department of Urology, ‘Carol Davila’ University of Medicine and Pharmacy, 020021 Bucharest, Romania
4. Department of Urology, ‘Victor Babeş’ University of Medicine and Pharmacy, 300041 Timișoara, Romania