1. STI Outpatient Clinic, Department of Infectious Diseases, Public Health Service Amsterdam, Amsterdam, the Netherlands
2. Department of Dermatology, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
3. Public Health Laboratory, Public Health Service Amsterdam, Amsterdam, the Netherlands
4. Department of Infectious Diseases, Public Health Service Amsterdam, Amsterdam, the Netherlands
5. Center for Infection and Immunity Amsterdam, Academic Medical Center, University of Amsterdam, Amsterdam, the Netherlands
6. Department of Medical Microbiology, OLVG General Hospital, Amsterdam, the Netherlands