- Correspondence to Dr Dorry McLaughlin, School of Nursing and Midwifery, Queen's University, Room 327, Level 6, Medical Biology Centre, 97, Lisburn Road, Belfast, Northern Ireland BT9 7BL, UK;
- Received November 1, 2013
- Revision received January 7, 2014
- Accepted January 19, 2014
- First published March 4, 2014.
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