[1] Univ Tennessee, Coll Nursing, 1200 Volunteer Blvd, Knoxville, TN 37996 USA
[2] Univ Virginia, Sch Nursing, Charlottesville, VA 22903 USA
[3] Univ South Carolina, Dept Hlth Serv Policy & Management, Ctr Effectiveness Res Orthoped, Columbia, SC 29208 USA
[4] Boston Childrens Hosp, Dept Pediat Oncol, Dana Farber Canc Inst, Pediat, Boston, MA USA
[5] Boston Childrens Hosp, Div Populat Sci, Dana Farber Canc Inst, Boston, MA USA
[6] Childrens Natl Hosp, Nursing Res, Washington, DC USA
[7] Childrens Natl Hosp, Dept Nursing Sci Profess Practice & Qual Outcomes, Washington, DC USA
[8] Childrens Natl Hosp, Washington, DC USA
[9] George Washington Univ, Dept Pediat, Washington, DC 20052 USA