[1] Univ Autonoma Barcelona, Dept Urol, Fdn Puigvert, Barcelona 08025, Spain
[2] HELIOS Agnes Karll Hosp, Dept Urol, Bad Schwartau, Germany
[3] Radboud Univ Nijmegen, Med Ctr, Dept Urol, NL-6525 ED Nijmegen, Netherlands
[4] Univ Lyon 1, Hop Edouard Herriot, Dept Urol, F-69365 Lyon, France
[5] AUSL Modena Estense Hosp, Dept Urol, Modena, Italy
[6] B Ramazzini Hosp, Modena, Italy
[7] Univ Arizona, BCG Oncol, Dept Surg, Phoenix, AZ USA
[8] Bristol Royal Infirm & Gen Hosp, Dept Urol Surg, Bristol, Avon, England
[9] Bristol Urol Inst, Bristol, Avon, England
[10] N York Gen Hosp, Dept Urol, Toronto, ON, Canada
[11] Univ Tsukuba, Dept Urol, Tsukuba, Ibaraki, Japan
[12] Univ Miami, Sch Med, Dept Urol, Miami, FL USA