Positive Surgical Margins After Anterior Robot-assisted Radical Prostatectomy: Assessing the Learning Curve in a Multi-institutional Collaboration

Carlo Andrea Bravi, Paolo Dell’Oglio, Pietro Piazza, Simone Scarcella, Lorenzo Bianchi, Ugo Giovanni Falagario, Filippo Turri, Iulia Andraș, Fabrizio Di Maida, R. P. de Groote, Federico Piramide, Márcio Covas Moschovas, Nazareno Suardi, Carlo Terrone, Giuseppe Carrieri, Vipul Patel, Riccardo Autorino, Francesco Porpiglia, Andrew J. Vickers, Alberto Briganti, Francesco Montorsi, Alexandre Mottrie, Alessandro Larcher