[1] Cornell Univ, Weill Med Coll, Program Robot Prostatectomy & Urol Oncol Outcomes, New York, NY 10021 USA
[2] McGill Univ, Royal Victoria Hosp, Ctr Hlth, Dept Urol, Montreal, PQ H3V 1G7, Canada
[3] Cornell Univ, Presbyterian Hosp, Weill Med Coll, Cornell Inst Robot Surg,Dept Urol, New York, NY 10021 USA