[1] Univ Nebraska Med Ctr, Coll Nursing, 985330 Nebraska Med Ctr, Omaha, NE 68198 USA
[2] Univ Texas Hlth Sci Ctr San Antonio, Sch Nursing, San Antonio, TX 78229 USA
[3] Amer Assoc Coll Nursing, Washington, DC USA
[4] Univ Missouri, Sch Nursing & Hlth Studies, Kansas City, MO 64110 USA
[5] Yale Sch Nursing, Orange, CT USA