Sexually Transmitted Diseases

• Servizio Regionale di Immunologia Clinica e Tipizzazione Tissutale, Azienda Ospedaliero-Universitaria — Torrette Di Ancona, AN, Italy
• Clinica di Malattie Infettive, Policlinico, Universita' degli Studi — Bari, BA, Italy
• Clinica di Malattie Infettive e Tropicali, Università degli Studi di Brescia, Spedali civili — Brescia, BS, Italy
• Divisione di Malattie Infettive, Ospedale S. Maria Annunziata — Antella, FI, Italy

• Princess Marina Hospital — Gaborone, Botswana

• University of Alabama Hospital - Infectious Diseases — Birmingham, Alabama, United States
• Indiana University — Indianapolis, Indiana, United States
• Louisiana State University Health Sciences Center - Infectious Diseases — New Orleans, Louisiana, United States
• Johns Hopkins Hospital - Medicine - Infectious Diseases — Baltimore, Maryland, United States

• Research Site — Birmingham, Alabama, United States
• Research Site — San Diego, California, United States
• Research Site — Indianapolis, Indiana, United States
• Research Site — Las Vegas, Nevada, United States

Not specified

Not specified

• Division of Infectious Diseases, Department of Medicine, Faculty of Medicine Ramathibodi Hospital, Mahidol University — Bangkok, Thailand

• Hospital Universitario Virgen del Rocio — Seville, Spain

• Chiang Rai Health Club — Chiang Rai, Thailand

• UCSF Market Street Study Site — San Francisco, California, United States