[1] Gangneung Wonju Natl Univ, Dept Nursing, Wonju, Gangwon Do, South Korea
[2] Kyung Hee Univ, Coll Nursing Sci, 26 Kyunghee Daero, Seoul 02453, South Korea
[3] Dongnam Hlth Univ, Coll Nursing Sci, Seongnam Si, Gyeonggi Do, South Korea
[4] Kyung Hee Univ, Grad Sch, Dept Nursing, Seoul, South Korea