- Correspondence to Professor Janelle Yorke, School of Nursing, Midwifery and Social Work, University of Manchester, Jean McFarlane University, University Place, Room 5.320, Oxford Road, Manchester, UK;
- Received 14 October 2014
- Revised 15 April 2015
- Accepted 14 May 2015
- Published online 3 June 2015.
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