[1] Univ Essex, Sch Hlth & Social Care, Colchester, Essex, England
[2] Univ South Carolina, Coll Nursing, Columbia, SC USA
[3] Massey Univ, Sch Nursing, Palmerston North, New Zealand
[4] Tampere Univ, Sch Hlth Sci, Tampere, Finland
[5] UCL Univ Coll, Dept Appl Hlth Sci, Odense, Denmark
[6] RMIT Univ, Dept Nursing, Melbourne, Australia