1. Department of Urology, Azienda Ospedaliero-Universitaria delle Marche, Polytechnic University of Marche, Ancona, Italy.
2. Nephrology, Dialysis and Kidney Transplant Unit, Azienda Ospedaliero-Universitaria delle Marche, Polytechnic University of Marche, Ancona, Italy.
3. Department of Urology, Ng Teng Fong General Hospital, Singapore, Singapore.