[1] Univ Virginia, Acute & Specialty Care Dept, Sch Nursing, Charlottesville, VA USA
[2] Univ Pittsburgh, Sch Nursing, Dept Hlth & Community Syst, Pittsburgh, PA USA
[3] Univ Virginia, Sch Nursing, Acute & Specialty Care Dept, McLeod Hall 5012,POB 800782, Charlottesville, VA 22908 USA