1 Department of Mental Health, Norwegian University of Science and Technology, Institutt for psykisk helse, Trondheim, Norway.
2 Academic Psychiatry, Institute of Neuroscience, Newcastle University, Westgate Road, Newcastle upon Tyne, UK.
3 Department of Mental Health, Norwegian University of Science and Technology, Institutt for psykisk helse, Trondheim, Norway; Division of Mental Health Care, St Olavs University Hospital, Trondheim 7006, Norway.
4 Department of Mental Health, Norwegian University of Science and Technology, Institutt for psykisk helse, Trondheim, Norway; Division of Mental Health Care, St Olavs University Hospital, Trondheim 7006, Norway. Electronic address: havard.kallestad@ntnu.no.