[1] Univ Psychiat Ctr Duffel, Dept Psychiat, Duffel, Belgium
[2] Univ Antwerp, Fac Med & Hlth Sci, CAPRI, Dept Psychiat, Antwerp, Belgium
[3] Univ Antwerp, Fac Med & Hlth Sci, Dept Radiol, Antwerp, Belgium
[4] Catholic Univ Louvain, Clin Univ St Luc, Adult Psychiat Dept, Woluwe St Lambert, Belgium
[5] Catholic Univ Louvain, Clin Univ St Luc, Inst Neurosci, Woluwe St Lambert, Belgium
[6] Katholieke Univ Leuven, Univ Psychiat Ctr, Dept Mood Disorders & Electroconvuls Therapy, Leuven, Belgium
[7] Radboud Univ Nijmegen, Donders Inst Brain Cognit & Behav, Dept Psychiat, Nijmegen, Netherlands