1 Reference Centre for Rare Skin Diseases, Department of Dermatology, Larrey Hospital, CHU Toulouse, Toulouse, France.
2 Infinity, University of Toulouse, CNRS, INSERM, Université Paul Sabatier, Toulouse, France.
3 Laboratoire de Biologie Cellulaire et Cytologie, Institut Fédératif de Biologie, Hôpital Purpan, CHU Toulouse, Toulouse, France.
4 Institute of Human Genetics, University Medical Center, Freiburg, Germany.
5 Dermatology Unit and Genodermatosis Unit, Genetics and Rare Diseases Research Division, Bambino Gesù Children's Hospital, IRCCS, Rome, Italy.
6 Department of Dermatology, IRCCS Azienda Ospedaliero-Universitaria di Bologna, Bologna, Italy.
7 Department of Dermatology, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel.
8 Department of Dermatology and Allergy, University Hospital, LMU Munich, Munich, Germany.
9 Department of Dermatology, University Hospital Center of Marseille, Marseille, France.
10 Department of Dermatology, University Hospital Center of Angers, Angers, France.
11 Department of Dermatology, Hospital Universitari Son Espases, Palma, Spain.
12 Pediatric Hepatology and Reference Centre for Inborn Error of Metabolism, Children Hospital, Toulouse, France.
13 Department of Pathology and Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), Necker- Enfants Malades University Hospital, Paris, France.
14 Department of Dermatology, Venereology and Allergy, Medical University of Innsbruck and Karl Landsteiner Institute for Paediatric Dermatology and Rare Diseases, Innsbruck, Austria.
15 Department of Dermatology, University Hospital of Muenster, Muenster, Germany.
16 Department of Dermatology, Saint-Louis Hospital, Paris, France.
17 Department of General Paediatrics, Robert-Debré Hospital, Paris, France.
18 Department of Dermatology, Royal London Hospital, Barts Health NHS Trust ERN-Skin, London, UK.
19 Department of Dermatology, MAGEC, Groupe Hospitalier Paris Seine-Saint-Denis, AP-HP and INSERM UMR1125, Bobigny, France.
20 Department of Dermatology, Groupe Hospitalier Paris Seine-Saint-Denis, AP-HP and INSERM UMR1125, Bobigny, France.