1. Department of Dermatology Hospital Universitario Marqués de Valdecilla Santander Spain
2. Department of Neonatology Hospital Universitario La Paz Madrid Spain
3. Department of Dermatology Hospital Universitario La Paz Madrid Spain
4. CIBERER, Centro de Investigación Biomédica en Red de Enfermedades Raras, ISCIII Madrid Spain
5. Institute of Medical and Molecular Genetics (INGEMM)‐IdiPAZ, Hospital Universitario La Paz‐UAMs Madrid Spain
6. ITHACA, European Reference Network on Rare Congenital Malformations and Rare Intellectual Disability Paris France
7. Department of Pathology Hospital Universitario La Paz Madrid Spain