1. Department of Global Public Health and Primary Care, University of Bergen, Bergen, Norway
2. Department of Health Sciences in Aalesund, Norwegian University of Science and Technology (NTNU), Aalesund, Norway
3. Department of Obstetrics and Gynaecology, Haukeland University Hospital, Bergen, Norway
4. Department of Clinical Science, University of Bergen, Norway
5. Department of Health and Caring Sciences, Western Norway University of Applied Sciences (HVL), Bergen, Norway
6. Department of Plastic Surgery and Burn Center, Haukeland University Hospital, Bergen, Norway
7. Family Health Care Nursing, University of California San Francisco, California USA
8. Faculty of Health Sciences and Social Care, Molde University College, Molde, Norway