Jos M Latour1, Maureen Coombs2. 1. School of Nursing and Midwifery, Faculty of Health and Human Sciences, University of Plymouth, 3 Portland Villas, Room 101, Drake Circus, Plymouth PL4 8AA, United Kingdom. Electronic address: jos.latour@plymouth.ac.uk. 2. Graduate School of Nursing, Midwifery and Health, Victoria University of Wellington, Level 7 Clinical Services Block, Wellington Regional Hospital, Riddiford Street, Newtown, Wellington 6021, New Zealand. Electronic address: Maureen.Coombs@vuw.ac.nz.