1. Pediatric Neurology Department, Institut de Recerca Hospital Sant Joan de Déu Barcelona Barcelona Spain
2. Chronic Complex and Palliative Pediatric Service Hospital Sant Joan de Déu Barcelona Barcelona Spain
3. Department of Dermatology Hospital Sant Joan de Déu Barcelona Spain
4. European Reference Network for rare skin diseases (ERN‐Skin) Barcelona Spain
5. CSUR Epidermolisis Ampollosa Hereditaria Barcelona Spain
6. Department of Genetic and Molecular Medicine‐IPER Institut de Recerca Sant Joan de Déu Barcelona Spain
7. U‐703 Centre for Biomedical Research on Rare Diseases (CIBER‐ER) Instituto de Salud Carlos III Barcelona Spain
8. Department of Dermatology Hospital Clinic Barcelona Spain
9. Department of Statistics Institut de Recerca Sant Joan de Déu Barcelona Spain
10. Movement Disorders Unit, Pediatric Neurology Department Institut de Recerca, Hospital Sant Joan de Déu Barcelona Barcelona Spain
11. European Reference Network for Rare Neurological Diseases (ERN‐RND) Barcelona Spain