[1] Univ Connecticut, Sch Nursing, Storrs, CT USA
[2] Univ Connecticut, Ctr Advancement Managing Pain, Storrs, CT USA
[3] Univ Connecticut, Dept Stat, Storrs, CT USA
[4] Univ Maryland, Sch Nursing, Baltimore, MD USA
[5] Univ Florida, Coll Nursing, Gainesville, FL USA
[6] Korea Univ, Coll Nursing, 145 Anam-ro, Seoul, South Korea
[7] Korea Univ, Nursing Res Inst, Seoul, South Korea
[8] Korea Univ, R&E Ctr Learning Hlth Syst BK21 4, Seoul, South Korea