1. CHU Toulouse, Reference Center for Rare Skin Diseases, Department of Dermatology Hôpital Larrey, CHU Toulouse Toulouse France
2. Department of Dermatology Hospital Infantil Nino Jesus Madrid Spain
3. Infinity University of Toulouse, CNRS, INSERM, Université Paul Sabatier Toulouse France
4. CHU Toulouse, Hôpital Purpan, Laboratoire de Biologie Cellulaire et Cytologie Institut Fédératif de Biologie Toulouse France
5. Department of Dermatology Maastricht University Medical Center, The Netherlands and European Reference Network – Skin Maastricht The Netherlands