Medical Genetics Unit (R.S., R.R., F.F., C.T., A.M., M.N., F.G., A.F.), Department of Medical Sciences, University of Ferrara, Italy; Neurologie (Y.S.), CHU de Benbadis, Constantine, Algérie; 2nd Department of Paediatrics Clinic (L.S., A.H.), Semmelweis University; Institute of Genomic Medicine and Rare Disorders (B.F., M.J.M.), Semmelweis University, Budapest, Hungary; Department of Medical Genetics (L.A.), Medical University, Varna, Bulgaria; Department of Pediatrics (I. Litvinenko), Medical University Sofia; Department of Child Neurology (I. Litvinenko), University Pediatric Hospital "Prof. Ivan Mitev", Sofia; Department Pediatrics (I.I.), St. George University Hospital, Medical University Plovdiv, Bulgaria; Pediatric Neurology Department (Y.V.), Pediatric Neurologist County Clinical Emergency Hospital of Constanta; G. Curteanu Municipal Clinical Hospital Oradea (O.A.I.); Department of Neuroscience (M.V., M. Militaru), Iuliu Hatieganu University of Medicine and Pharmacy, Cluj Napoca; Pediatric Neurology Department (C.B., N.B.), "Alexandru Obregia" Clinical Psychiatry Hospital, Bucharest; "Grigore T Popa" University of Medicine and Pharmacy (B.L., C.R., M.P.); "Sfanta Maria" Children's Hospital (B.L., C.R., M.P.); Pediatric Clinical Hospital Sibiu (G.V.); "Dr. Victor Gomoiu" Children's Hospital (D.E., D. Vasile, M.S.); "Carol Davila" University of Medicine and Pharmacy (M.S., N.B.), Bucharest, Romania; Russian Children Neuromuscular Center (D. Vlodavets), Veltischev Clinical Pediatric Research Institute of Pirogov Russian National Research Medical University, Moscow, Russia; Department of Neuroscience Neurology and Pediatric Neurology "Iuliu Hatieganu" University of Medicine and Pharmacy (M. Mager), Faculty of Medicine; Pediatric Neurology Department (M. Mager), Emergency Clinical Hospital for Children, Cluj-Napoca, Romania; Department of Basic and Clinical Sciences (T.K.), University of Nicosia, Cyprus; Department of Pediatrics (S.D.), General Hospital Zadar, Zadar, Croatia; Department of Paediatrics (I. Lehman, J.S.F.); University Hospital Centre Zagreb, ; Faculty of Medicine University of Osijek (J.S.F.), Croatia; University Hospital of Neurology and Psychiatry Sveti Naum (V.B.); Clinic of Neurology (V.G.), University Hospital Sofiamed; Sofia University "St. Kliment Ohridski" (V.G.)Bulgaria; Institute of Biomedical Sciences (B.B.), Faculty of Medicine, Vilnius University, Lithuania; Ali Ait Idir Hospital (S.D.B., S.M.-M.), Algiers, Algeria; University of Algiers I. Algeria (S.D.B., S.M.-M.); Center of Genomic Medicine (A.C.E.), University of Medicine and Pharmacy Victor Babes Timisoara; Regional Center of Medical Genetics Timis (A.C.E.), Clinical Emergency Hospital for Children Louis Turcanu Timisoara, Romania; Department of Neurology (A.L., A.P., A.K.-P.), Medical University of Warsaw, Poland; Institute of Neurology (A.S.), Psychiatry and Narkology National Academy of Medical Science of Ukraine; Neurologie (D.B.K., O.D.), CHU Tidjani Damerdji, Tlemcen, Algerie; and BGI-Shenzhen (M.F., Z.L.), Shenzhen, China.