[1] Mem Sloan Kettering Canc Ctr, 1275 York Ave, New York, NY 10021 USA
[2] Univ Copenhagen, Sexol Clin, Psychiat Ctr Copenhagen, Dept Clin Med, Copenhagen, Denmark
[3] Aston Univ Birmingham, Birmingham, AL USA
[4] Tulane Univ, Med Ctr, New Orleans, LA USA
[5] Univ Roma Tor Vergata, Endocrinol & Med Sexol ENDOSEX, Dept Syst Med, Rome, Italy
[6] Asociac Mexicana Salud Sexual AC AMSSAC, Mexico City, DF, Mexico
[7] Mayo Clin, Rochester, MN USA
[8] Pfizer Inc, New York, NY USA