[1] St Francis Xavier Univ, Rankin Sch Nursing, Antigonish, NS B2G 2W5, Canada
[2] Dalhousie Univ, Sch Nursing, Halifax, NS B3H 4R2, Canada
[3] Nova Scotia Hlth, Res Innovat & Discovery, Halifax, NS B3S 1B8, Canada
[4] Mt St Vincent Univ, Dept Appl Human Nutr, Halifax, NS B3M 2J6, Canada
[5] Abadan Univ Med Sci, Sch Nursing, Abadan 631, Iran