1. Department of Dermatology; Saint-Eloi Hospital; University Hospital of Montpellier; 80 Avenue A. Fliche 34295 Montpellier Cedex 5 France
2. INSERM U1058; Montpellier France
3. Department of Internal Medicine and Dermatology; Hospital Centre of Perpignan; Perpignan France
4. Department of Paediatrics; Division of Paediatric Infectious Diseases; Arnaud de Villeneuve Hospital; University Hospital of Montpellier; Montpellier France