1. Department of Cardiology Oslo University Hospital – Rikshospitalet Oslo Norway
2. Department of Psychiatry Nordland Hospital Trust Bodø Bodø Norway
3. Institute of Clinical Medicine University of Oslo Oslo Norway
4. Section for C‐L psychiatry and Psychosomatic Medicine Division of Mental Health and Addiction Oslo University Hospital Oslo Norway
5. Department of Psychiatry University of Pittsburgh School of Medicine Pittsburgh PA USA
6. KG Jebsen Center for Cardiac Research and Center for Heart Failure Research University of Oslo Oslo Norway