1 Department of Psychiatry, Amsterdam UMC, location Academic Medical Center, Amsterdam Neuroscience, Research Program Compulsivity, Impulsivity & Attention, Meibergdreef 9, 1105 AZ, Amsterdam, the Netherlands. Electronic address: w.vandenbrink@amsterdamumc.nl.
2 Department of Psychiatry, Amsterdam UMC, location Academic Medical Center, Amsterdam Neuroscience, Research Program Compulsivity, Impulsivity & Attention, Meibergdreef 9, 1105 AZ, Amsterdam, the Netherlands.