Author Affiliations: Principal Lecturer (Ms Muir), University of Brighton, School of Nursing and Midwifery, Falmer, UK; Senior Lecturer (Ms De Vlieger), Nursing Department, University College Artevelde, Gent, Belgium; Principal Lecturer (Dr Koskinen), Savonia University of Applied Sciences, School of Health Care, Kuopio, Finland.

The authors declare no conflict of interest.

Correspondence: Ms Muir, School of Nursing and Midwifery, University of Brighton, Falmer, Brighton, BN1 9PH, UK ([email protected]).