[1] Univ Groningen, Univ Med Ctr Groningen, Beatrix Childrens Hosp, Groningen, Netherlands
[2] Univ Groningen, Dept Dev & Clin Neuropsychol, Groningen, Netherlands
[3] Acad Med Ctr, Amsterdam, Netherlands
[4] Univ Hosp Maastricht, Maastricht, Netherlands
[5] Lab Genet Metab Dis, Maastricht, Netherlands
[6] Univ Med Ctr Utrecht, Wilhelmina Childrens Hosp, Utrecht, Netherlands
[7] Univ Med Ctr St Radboud Nijmegen, Nijmegen, Netherlands
[8] Erasmus MC, Ctr Lysosomal & Metab Dis, Rotterdam, Netherlands
[9] Leiden Univ, Dept Clin Child & Adolescent Studies, Leiden, Netherlands
[10] Leiden Univ, Leiden Inst Brain & Cognit, Leiden, Netherlands