[1] Second Mil Med Univ, Sch Nursing, Shanghai, Peoples R China
[2] Univ Maryland, Sch Nursing, Baltimore, MD 21201 USA
[3] Childrens Natl Hlth Syst, Div Biostat & Study Methodol, Ctr Translat Sci, Washington, DC USA
[4] George Washington Univ, Sch Med & Hlth Sci, Washington, DC 20052 USA
[5] Childrens Natl Hlth Syst, Dept Nursing Res & Qual Outcomes, Ctr Translat Sci, Washington, DC USA
[6] Shanghai Jiao Tong Univ, Orthoped Dept, Affiliated Peoples Hosp 6, Shanghai, Peoples R China
[7] Fudan Univ, Sch Nursing, 305 Fenglin Rd, Shanghai 200032, Peoples R China