[1] Univ Newcastle, Prior Ctr Brain & Mental Hlth Res, Callaghan, NSW 2308, Australia
[2] Schizophrenia Res Inst, Sydney, NSW, Australia
[3] Univ Duisburg Essen, Rhine State Hosp Psychiat & Psychotherapy, Duisburg, Germany
[4] Ruhr Univ Bochum, Inst Cognit Neurosci, Bochum, Germany