1. Reference Center for Rare Diseases Amiens‐Picardy University Hospital Amiens France
2. EA 7273 CRP‐CPO University of Picardy, Jules Verne Amiens France
3. Laboratory of Genetic Diagnosis Institut de Génétique Médicale d'Alsace, Hôpitaux Universitaires de Strasbourg Strasbourg France
4. Department of Child Neurology Amiens‐Picardy University Hospital Amiens France
5. Genetics Laboratory Amiens‐Picardy University Hospital Amiens France
6. EA 4666 HEMATIM – CURS University of Picardy, Jules Verne Amiens France