[1] Duke Univ, Sch Med, Durham, NC USA
[2] Pfizer Inc, New York, NY USA
[3] Pfizer Inc, San Francisco, CA USA
[4] Astellas Pharma Inc, Northbrook, IL USA
[5] STATinMED Res, Plano, TX USA
[6] Univ Michigan, Ann Arbor, MI 48109 USA
[7] Durham VA Med Ctr, Urol Sect, Durham, NC USA