[1] Mayo Clin, Dept Urol, Rochester, MN 55905 USA
[2] Boston Univ, Chobanian & Avedisian Sch Med, Sch Med, Dept Urol, Boston, MA 02118 USA
[3] Bay Pines VA Hlth Syst, Dept Urol, Tampa, FL 33606 USA
[4] Univ S Florida, Coll Med, Tampa, FL 33606 USA
[5] Univ Hosp Foggia, Dept Urol, I-71121 Foggia, Italy
[6] Martha Maria Hosp Nuremberg, Dept Urol, D-90491 Nurnberg, Germany
[7] Univ Lisbon, St Maria Hosp, Sch Med, Dept Urol, P-1600161 Lisbon, Portugal
[8] Univ Francisco Vitoria, Hosp Zarzuela, Dept Urol, Madrid 28023, Spain
[9] Univ Med Ctr Schleswig Holstein, Dept Urol, D-24105 Kiel, Germany
[10] Sewum Prosthet Urol Ctr Excellence Penile Implants, Seoul 06612, South Korea
[11] Ajou Univ, Sch Med, Suwon 06612, South Korea
[12] Univ Coll London Hosp & St Peters Androl, London, England
[13] Univ Texas MD Anderson Canc Ctr, Dept Urol, Houston, TX 77030 USA
[14] McGovern Med Sch Houston, Houston, TX 77030 USA