[1] Univ Med Ctr Utrecht, Dept Psychiat, Utrecht, Netherlands
[2] Rudolf Magnus Inst Neurosci, NL-3508 TA Utrecht, Netherlands
[3] Res Ctr Julich, Inst Neurosci & Med, INM 1, INM 22, Julich, Germany
[4] Rhein Westfal TH Aachen, Sch Med, Dept Psychiat Psychotherapy & Psychosomat, Aachen, Germany
[5] Univ Dusseldorf, Inst Clin Neurosci & Med Psychol, D-40225 Dusseldorf, Germany