1 Molecular and Genetics Medicine Section, Hospital Sant Joan de Déu, Barcelona, Spain.
2 Facultat de Medicina, Universitat de Barcelona, Barcelona, Spain.
3 Centro Nacional de Análisis Genómica (CNAG-CRG), Center for Genomic Regulation, Barcelona Institute of Science and Technology (BIST), Barcelona, Spain.
4 Neurology Service, Hospital Sant Joan de Déu, Barcelona, Spain.
5 Institut de Recerca, Pediàtrica Hospital Sant Joan de Déu, Barcelona, Spain.
6 CIBER-ER (Biomedical Network Research Center for Rare Diseases), Instituto de Salud Carlos III, Madrid, Spain.
7 Molecular and Genetics Medicine Section, Hospital Sant Joan de Déu, Barcelona, Spain. jarmstrong@sjdhospitalbarcelona.org.
8 Institut de Recerca, Pediàtrica Hospital Sant Joan de Déu, Barcelona, Spain. jarmstrong@sjdhospitalbarcelona.org.
9 CIBER-ER (Biomedical Network Research Center for Rare Diseases), Instituto de Salud Carlos III, Madrid, Spain. jarmstrong@sjdhospitalbarcelona.org.