[1] Case Sch Med, Dept Urol, Cleveland, OH USA
[2] Ctr Marital & Sexual Hlth S Florida, W Palm Beach, FL USA
[3] Rutgers State Univ, Robert Wood Johnson Med Sch, Piscataway, NJ 08854 USA
[4] Fac Med, Lab Biol Reprod & Dev, Lyon, France
[5] Hannover Med Sch, D-3000 Hannover, Germany
[6] Ctr Marital & Sexual Hlth, Beachwood, OH USA
[7] Deakin Univ, Sch Psychol, Burwood, Vic, Australia
[8] Univ Maryland, Sch Med, Baltimore, MD 21201 USA
[9] Inst Paulista Sexualidade, Sao Paulo, Brazil
[10] Sheffield Hosp, Porterbrook Clin, Sheffield, S Yorkshire, England