Rebecca Baxter1, Sabine Björk1,2, David Edvardsson1,3. 1. a Department of Nursing , Umeå University , Umeå , Sweden. 2. b Department of Public Health and Clinical Medicine Occupational and Environmental Medicine , Umeå University , Umeå , Sweden. 3. c School of Nursing and Midwifery , La Trobe University , Melbourne , Australia.