1. Department of Dermatology; Hôpital Victor Dupouy; Argenteuil France
2. Department of Dermatology; Hôpital d'Instruction des Armées Bégin; Saint-Mandé France
3. Department of Public Health; Centre Hospitalier Universitaire Ambroise Paré; University of Versailles-Saint-Quentin-en-Yvelines; Assistance Publique-Hôpitaux de Paris; Boulogne-Billancourt France
4. Department of Dermatology; Hôpital Larrey; Centre Hospitalier Universitaire de Toulouse; Paul Sabatier-Toulouse 3 University; Toulouse France
5. Department of Dermatology; Centre Hospitalier d'Auxerre; Auxerre France
6. Department of Dermatology; Hôpital Robert Debré; Reims France
7. Department of Dermatology; Centre Hospitalier du Mans; Le Mans France
8. Department of Dermatology; Centre Hospitalier Régional d'Orléans; Orléans France
9. Department of Dermatology; Hôpital Sud; Centre Hospitalier Universitaire d'Amiens; Picardie-Jules Verne University; Amiens France
10. Private office; Martigues France
11. Private office; Vienne France
12. Department of Dermatology; Centre Hospitalier Intercommunal Poissy/Saint-Germain-en-Laye; Saint-Germain-en-Laye France
13. Department of Dermatology; Angers Hospital; L'UNAM University; Angers France
14. Department of Clinical Immunology and Allergy; Centre Hospitalier Lyon-Sud; Lyon France
15. Department of Dermatology; Centre Hospitalier Universitaire Bichat-Claude Bernard; Paris 7 Diderot University; Assitance Publique-Hôpitaux de Paris; Paris France
16. Department of Dermatology; Centre Hospitalier de Pontoise; Pontoise France