[1] IRCCS, Ist Sci Neurol Bologna, UOC Neuropsichiatria Pediat, Bologna, Italy
[2] Univ Bologna, Dipartimento Sci Med & Chirurg DIMEC, Bologna, Italy
[3] Hosp St Joan de Deu Barcelona, Dept Genet & Mol Med IPER, Inst Recerca, Barcelona, Spain
[4] Inst Salud Carlos III, Ctr Invest Biomed Red Enfermedades Raras CIBER, Madrid, Spain
[5] Hosp St Joan de Deu Barcelona, Rehabil Dept, Inst Recerca, Barcelona, Spain
[6] Metafora Biosyst, Paris, France
[7] Hosp St Joan de Deu Barcelona, Pediat Neurol Dept, Movement Disorders Unit, Inst Recerca, Passeig St Joan de Deu 2, Barcelona 08950, Spain
[8] European Reference Network Rare Neurol Dis ERN RN, Tubingen, Germany