1. Medbase Health Centre Frauenfeld Switzerland
2. Division of Evidence‐Based Medicine (dEBM), Department of Dermatology, Venereology and Allergology Charité ‐ Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt‐Universität zu Berlin Berlin Germany
3. Department of Dermatology, Venereology, and Allergology HELIOS St. Elisabeth Hospital Oberhausen Oberhausen Germany
4. Centre of Evidence Based Dermatology University of Nottingham Nottingham UK
5. Gynäkologisches Tumorzentrum St. Anna Lucerne Switzerland
6. Department of Dermatology Erasmus University Medical Center Rotterdam The Netherlands
7. Office for Paediatric Surgery Bonn Germany
8. CenSeRe (Centre for Psychological, Relational, Sexual Health) Voorschoten The Netherlands
9. Section of Dermatology and Infectious Diseases, Department of Medical Sciences University of Ferrara Ferrara Italy
10. Department of Dermatology University Hospital Basel Basel Switzerland
11. The Danish Lichen Sclerosus Association Hørve Denmark
12. Department of Dermatology Mater Dei Hospital Msida Malta
13. Center for Pediatric, Adolescent and Reconstructive Urology, Medical Faculty Mannheim University of Medical Center Mannheim, Heidelberg University Mannheim Germany
14. Centro Chirurgico Toscano Arezzo Italy
15. Department of Dermatology Chang Gung Memorial Hospital Linkou, Taoyuan Taiwan
16. College of Medicine Chang Gung University Taoyuan Taiwan
17. Department of Dermatology, Centre for Genital and Sexually Transmitted Diseases University Hospital Saint Louis Paris France
18. The Swiss Lichen Sclerosus Association Switzerland/Verein Lichen Sclerosus e.V. Dottikon Switzerland
19. Department of Dermatovenereology Helsinki University Hospital Helsinki Finland
20. The German Lichen Sclerosus Association Hamburg Germany
21. Department of Dermatology and Venereology Copenhagen University Hospital, Bispebjerg Hospital Copenhagen Denmark
22. Department of Urology IRCCS Humanitas Research Hospital Rozzano MI Italy
23. German Center for Infections in Gynecology and Obstetrics Helios University Hospital Wuppertal–University Witten/Herdecke Wuppertal Germany
24. Department of Dermatology University Medical Center of Liège Liège Belgium
25. Department of Paediatric Urology and Clinic St. Hedwig University Medical Centre of Regensburg Regensburg Germany
26. Department of Women's Health Women's University Hospital Tuebingen Tuebingen Germany
27. Diagnostic and Research Institute of Pathology Medical University Graz Graz Austria
28. Department of Dermatology, Venereology and Dermatooncology Semmelweis University Budapest Hungary
29. Department of Dermatology and Venereology Ordensklinikum Linz Elisabethinen Linz Austria
30. Department of Dermatology Haukeland University Hospital Bergen Norway
31. 1st Department of Dermatology‐Venereology, Faculty of Medicine, Andreas Sygros Hospital National and Kapodistrian University of Athens Athens Greece
32. Department of Dermatology and Venereology University Hospital “Alexandrovska”, Medical University – Sofia Sofia Bulgaria
33. Department of Gynaecology University Medical Centre Hamburg‐Eppendorf and Centre for Colposcopy and Vulvovaginal Disease Jersualem Hospital Hamburg Hamburg Germany