1. Department of Dermatology; University Hospital of Nantes; Nantes France
2. Department of Dermatology; Saint-Luc University Clinics; Brussels Belgium
3. Department of Dermatology; Aarhus University Hospital; Aarhus Denmark
4. Department of Dermatology; University Hospital of Naples; Naples Italy
5. Department of Dermatology; University Hospital La Paz; Madrid Spain
6. University Lyon 1; Lyon France
7. Pierre Fabre SA; Paris France
8. Private Dermatologist; Toulouse France
9. Herbal Product Laboratory; Institut de Recherche Pierre Fabre; Toulouse France
10. Pierre Fabre Dermo-Cosmétique; Pharmacologie in vitro; Toulouse France
11. Pierre-Fabre Dermo-Cosmétique; European Center of Skin Research; Hôtel Dieu Toulouse France
12. Pierre Fabre Dermo-Cosmétique; Lavaur France