1. Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
2. Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut, USA
3. Department of Biostatistics, Yale School of Public Health, New Haven, CT, USA
4. Municipality of Bergen, Bergen, Norway
5. Department of Clinical Psychology, University of Bergen, Bergen, Norway
6. National Centre for Emergency Primary Health Care, NORCE Norwegian Research Centre, Bergen, Norway