1. Department of Urology, Hospital Santa Maria, University of Lisbon, School of Medicine, 1600-161 Lisbon, Portugal
2. ULSNA-Hospital de Portalegre, 7300-074 Portalegre, Portugal
3. Kulkarni Reconstructive Urology Center, Pune 411038, India
4. City of Hope Medical Center, Duarte, CA 91010, USA