1. Department of Dermatology, Hôpital St Louis, Paris, France
2. Department of Biostatistics, Hôpital Hôtel Dieu, Paris, France
3. Department of Dermatology, CHRU Lille, Lille, France
4. Department of Dermatology, Hôpital des Hospices Civils de Lyon, Lyon, France
5. Department of Dermatology, CHU de Bordeaux St-André, Bordeaux, France
6. Department of Dermatology, CHU Montpellier, Montpellier, France
7. Department of Dermatology, CHU Grenoble, Grenoble, France
8. Department of Dermatology, CHU Dijon, Dijon, France
9. Department of Dermatology, CHU Ambroise Paré, Boulogne-Billancourt, France
10. Department of Dermatology, CHU Nice, Nice, France
11. Department of Dermatology, CHU Brest, Brest, France
12. Department of Dermatology, CH Annecy Genevois, Epagny Metz-Tessy, France
13. Department of Dermatology, Hôpital Bichat, Paris, France
14. Department of Dermatology, CLCC Rennes Eugène Marquis, Rennes, France
15. Department of Dermatology, CHU Amiens-Picardie, Amiens, France
16. Department of Dermatology, CHRU Besançon, Besançon, France
17. Department of Dermatology, CHRU Nancy, Vandoeuvre-Les-Nancy, France
18. Department of Dermatology, CHU Nîmes, Nîmes, France
19. Department of Dermatology, Hôpital Avicenne, Bobigny, France
20. Department of Dermatology, CHU de Nantes, Nantes, France