[1] Radboud Univ Nijmegen, Med Ctr, Dept Neurol, Donders Ctr Brain Cognit & Behav, NL-6500 HB Nijmegen, Netherlands
[2] Radboud Univ Nijmegen, Med Ctr, Dept Paediat Neurol, Donders Ctr Brain Cognit & Behav, NL-6500 HB Nijmegen, Netherlands
[3] Univ Groningen, Univ Med Ctr Groningen, Dept Neurol, NL-9713 AV Groningen, Netherlands