1. Department of Genetic and Molecular Medicine, Pediatric Institute of Rare Diseases, Hospital Sant Joan de Déu Barcelona Spain
2. Movement Disorders Unit, Department of Child Neurology Institut de Recerca Sant Joan de Déu Barcelona Spain
3. U‐703 Centre for Biomedical Research on Rare Diseases (CIBER‐ER) Instituto de Salud Carlos III Barcelona Spain
4. European Reference Network for Rare Neurological Diseases (ERN‐RND) Barcelona Spain