[1] Yonsei Univ, Coll Med, Inst Behav Sci Med, Seoul, South Korea
[2] Yonsei Univ, Coll Med, Dept Psychiat, Seoul, South Korea
[3] Yonsei Univ, Coll Nursing, Mo Im Kim Nursing Res Inst, Seoul, South Korea
[4] Yonsei Univ, Coll Nursing, Dept Nursing, Seoul, South Korea
[5] Brain Korea 21 FOUR Project, Seoul, South Korea
[6] Yonsei Univ, Coll Nursing, Dept Nursing, Seoul, South Korea