[1] Catholic Univ Korea, Coll Nursing, WHO Collaborating Ctr Training Hosp & Palliat Car, Seoul, South Korea
[2] Catholic Univ Korea, Coll Theol, Seoul, South Korea
[3] Ajou Univ, Grad Sch Educ, Suwon, South Korea
[4] Catholic Univ Korea, Dept Humanities & Social Med, Coll Med, Seoul, South Korea
[5] Baekseok Culture Univ, Dept Nursing, Cheonan, South Korea