[1] Royal Hallamshire Hosp, Dept Urol, Sheffield S10 2JF, S Yorkshire, England
[2] Vanderbilt Univ, Dept Urol, Nashville, TN USA
[3] NYU, Sch Med, Dept Urol, New York, NY 10003 USA
[4] Univ Pittsburgh, Sch Med, Dept Urol, Pittsburgh, PA USA
[5] Ghent Univ Hosp, Dept Urol, Ghent, Belgium
[6] Allergan Ltd, Urol Therapeut Area, Marlow, Bucks, England
[7] Allergan Pharmaceut Inc, Urol Therapeut Area, Irvine, CA USA
[8] Allergan Pharmaceut Inc, Dept Biostat, Irvine, CA USA