Funding for this research was provided by:
Norges Forskningsråd (223273)
Text and Data Mining valid from 2018-08-15
Received: 21 May 2018
Accepted: 30 July 2018
First Online: 15 August 2018
: Petter Andreas Ringen, MD, PhD: Chief consultant psychiatrist and researcher at the Oslo University Hospital. Special interest in somatic health and substance use in severe mental illness.Ragnhild S. Falk, MSc PhD: Researcher and senior statistician at the Oslo Centre for Biostatistics and Epidemiology.Ann Færden, MD, PhD: Psychiatrist and researcher at the Oslo University Hospital. Expertise in in negative symptoms and reduced motivation in severe mental illness.Bjørnar Antonsen, M.D., Ph.D: Clinical doctor at the Department of Psychiatry at Lovisenberg Diaconal Hospital. Main focus of research has been long term outcome from psychotherapy for patients with personality disorders.Asgeir Mamen, PhD: Associate Professor at Kristiania University College. Exercise physiologist with expertise in the use of physical activity in rehabilitation of substance use disorder subjects.Eline B. Rognli, PhD: Clinical psychologist and research advisor at the Oslo University Hospital. Her area of research is substance use and psychosis. Expertise in Motivational Interviewing.Dag K. Solberg, MD: Specialist in psychiatry and clinical pharmacology. Head of department, Center for Psychopharmacology, Diakonhjemmet Hospital, Oslo, and senior psychiatrist at Skjelfoss Psychiatric Center.Egil W. Martinsen, MD, PhD: Professor in psychiatry, University of Oslo. Expertise in the relation between physical activity and mental health in psychiatric populations.Ole A. Andreassen, MD, PhD: Professor in Psychiatry, University of Oslo and attending psychiatrist Oslo University Hospital. Expertise in somatic comorbidity in mental illness.
: All participants signed informed consent to participation. The study was approved by the Regional Ethics committee in South-Eastern Norway, reference number 2012/2266.
: Prof. Ole A. Andreassen received speakers’ honoraria from Lundbeck. The other authors report no conflicts of interest.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.