1. University Rennes 1, Department of Dermatology, Inserm CIC 0203 Pharmacoepidemiology Unit, CHU Rennes, Rennes, France;
2. Department of Dermatology and Reference Center for Genodermatoses and Rare Skin Diseases (MAGEC), University Paris Descartes–Sorbonne Paris Cité, Institute Imagine, University Hospital Necker–Enfants Malades, Paris, France;
3. Department of Pathology, University Hospital Necker–Enfants Malades, Paris, France; and
4. Departments of Neonatalogy and
5. Dermatology, University Francois Rabelais Tours, CHRU Tours, Tours, France