1 Department of Dermatology, Saint-Eloi Hospital, University Hospital of Montpellier, Montpellier, France. d-bessis@chu-montpellier.fr.
2 University of Montpellier, Montpellier, France. d-bessis@chu-montpellier.fr.
3 INSERM U1058, Montpellier, France. d-bessis@chu-montpellier.fr.
4 University of Montpellier, Montpellier, France.
5 Department of Pediatrics, Division of Pediatric Infectious Diseases, Arnaud de Villeneuve Hospital, University Hospital of Montpellier, Montpellier, France.
6 Department of Pathology, Gui de Chauliac Hospital, University Hospital of Montpellier, Montpellier, France.
7 Department of Dermatology, University Hospital of Grenoble, Grenoble, France.
8 Department of Internal Medicine and Dermatology, Hospital Center of Perpignan, Perpignan, France.