1. Department of Nursing Umeå University Umeå Sweden
2. NVS Department of Nursing Karolinska institute Stockholm Sweden
3. Lovisenberg Diaconal University College Oslo Norway
4. Department of Statistics, USBE, and Epidemiology and Global health Department of Public health and Clinical Medicine Umeå University Umeå Sweden
5. School of Nursing and Midwifery La Trobe University Melbourne VIC Australia