[1] Cleveland Clin Fdn, Urol Inst A100, Cleveland, OH USA
[2] Univ Southern Calif, Keck Sch Med, Los Angeles, CA USA
[3] Houston Methodist, Houston, TX USA
[4] Univ Michigan, Dept Urol, Ann Arbor, MI USA
[5] Univ Miami, Coral Gables, FL USA
[6] Univ Michigan, 1500 Med Ctr Dr, Ann Arbor, MI 48109 USA