[1] Purdue Univ, Sch Nursing, W Lafayette, IN USA
[2] Univ Illinois, Coll Nursing, Chicago, IL USA
[3] Univ Kansas, Sch Nursing, Kansas City, KS USA
[4] Univ Iowa, Coll Nursing, Iowa City, IA USA
[5] Winona State Univ, Dept Grad Nursing, Winona, MN USA
[6] Ohio State Univ, Coll Nursing, Columbus, OH USA
[7] Purdue Univ, Sch Nursing, Johnson Hall Nursing, 502 North Univ St, W Lafayette, IN 47907 USA