[1] Univ Hosp Maastricht, Dept Psychiat, NL-6202 AZ Maastricht, Netherlands
[2] Maastricht Univ, Inst Brain & Behav, Dept Psychiat & Neuropsychol, Maastricht, Netherlands
[3] Maastricht Univ, Inst Brain & Behav, Dept Gen Practice, Maastricht, Netherlands
[4] Vrije Univ Amsterdam Med Ctr, Dept Neurol, Amsterdam, Netherlands