1. a Department of Health Sciences, and the Vårdal Institute , Lund University , Sweden
2. b NSW Greater Southern Area Health Service and National Australian University , Canberra, Australia
3. c Department of Health Sciences , University of York , United Kingdom
4. d School of Psychology, University of Wales Bangor , United Kingdom
5. e School of Nursing, Midwifery and Social Work, The University of Manchester , United Kingdom