- Correspondence to : Professor Peter Van Bogaert, Faculty of Medicine and Health Sciences, Division of Nursing and Midwifery Sciences, Centre for Research and Innovation in Care (CRIC), University of Antwerp Universiteitsplein 1, Wilrijk, B-2610, Belgium;
- Published in print 1 April 2016.
- Published online 18 March 2016.
- Published first 14 October 2015.
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