[1] Univ Washington, Dept Med, Seattle, WA USA
[2] Publ Hlth Seattle & King Cty HIV STD Program, Seattle, WA USA
[3] New South Wales Hlth, Ctr Populat Hlth, NSW STI Programs Unit, St Leonards, NSW, Australia
[4] Sydney Sexual Hlth Ctr, Sydney, NSW, Australia
[5] Kirby Inst, Sexual Hlth Program, Sydney, NSW, Australia
[6] Publ Hlth Serv Amsterdam, STI Outpatient Clin, Amsterdam, Netherlands
[7] New York City Dept Hlth & Mental Hyg, Bur Hepatitis HIV & Sexually Transmitted Infect, Queens, NY USA
[8] Louisiana State Univ, Hlth Sci Ctr, Sect Infect Dis, New Orleans, LA USA
[9] LSU CrescentCare Sexual Hlth Ctr, New Orleans, LA USA
[10] Louisiana Off Publ Hlth, STD HIV Program, New Orleans, LA USA
[11] Univ Amsterdam, Acad Med Ctr, Amsterdam Inst Infect & Immun, Amsterdam, Netherlands
[12] Univ Amsterdam, Acad Med Ctr, Dept Dermatol, Amsterdam, Netherlands