Efrat Tsivian1, Matvey Tsivian1, Kae Jack Tay1, Thomas Longo1, Ziv Zukerman2, Giuseppe Martorana2, Riccardo Schiavina2, Eugenio Brunocilla2, Thomas J. Polascik1
1Division of Urology, Department of Surgery, Duke University Medical Center, Durham, NC
2Department of Urology, University of Bologna, S. Orsola-Malpighi Hospital, Bologna, Italy