[1] Maastricht Univ, Dept Psychiat & Neuropsychol, S Limburg Mental Hlth Res & Teaching Network, EURON,Sch Mental Hlth & NeuroSci MHeNS, NL-6200 MD Maastricht, Netherlands
[2] Katholieke Univ Leuven, Univ Psychiat Ctr, Kortenberg, Belgium
[3] Open Univ Netherlands, Fac Psychol, Heerlen, Netherlands
[4] Inst Psychiat, Div Psychol Med, London, England