1. STI Outpatient Clinic Cluster Infectious Diseases Health Service Amsterdam Amsterdam The Netherlands
2. Department of Dermatology Amsterdam Institute for Infection and Immunity (AII) Amsterdam UMCUniversity of Amsterdam Amsterdam The Netherlands
3. Department of Sexual & Reproductive Health and HIV Medicine Guy's and St Thomas' NHS Foundation Trust London UK
4. Department of Dermatology and Venereology Copenhagen University HospitalBispebjerg Hospital Copenhagen Denmark
5. Department of Dermatology, Venereology, and Allergology HELIOS St. Elisabeth Hospital OberhausenUniversity Witten‐Herdecke Oberhausen Germany
6. Genitourinary Clinic Department of Dermatology and Venereology Mater Dei Hospital Msida Malta
7. The Florey Unit Royal Berkshire Hospital Reading UK
8. Infectious Diseases Department Fight AIDS Foundation Hospital Germans Trias Pujol Badalona Spain
9. Department of Sexual Health and HIV Birmingham University Hospitals NHS Foundation Trust Birmingham UK