1. Department of Dermatology; Larrey Hospital, Paul Sabatier University; 31059 Toulouse France
2. Department of Dermatology; University Hospital; 54511 Nancy France
3. Department of Dermatology; Saint Eloi Hospital; 34295 Montpellier France
4. Department of Dermatology; Saint-André Hospital; 33075 Bordeaux France
5. Department of Dermatology; Estaing University Hospital; 63003 Clermont-Ferrand France
6. Private Practice of Dermatology; 13 rue de Montredon 13008 Marseille France
7. Department of Dermatology; Edouard Herriot Hospital; 69003 Lyon France
8. Private Practice of Dermatology; 13 rue Marne 44000 Nantes France
9. Department of Dermatology; University Hospital; 21000 Dijon France
10. Department of Dermatology; University Hospital; 49933 Angers France
11. Private Practice of Dermatology; 62 av. Grande Armée 75017 Paris France
12. Private Practice of Dermatology; 5 av. Genève 74000 Annecy France
13. Department of Dermatology; Henri Mondor Hospital; 94010 Créteil France
14. Department of Occupational Medicine; University Hospital; 59037 Lille France
15. Department of Occupational Diseases; South-Lyon Hospital; 69495 Lyon France