[1] Chang Gung Mem Hosp, Dept Nursing, Taoyuan 333, Taiwan
[2] Chang Gung Mem Hosp, Dept Psychiat, Taoyuan 333, Taiwan
[3] New Taipei Municipal TuCheng Hosp, Dept Psychiat, New Taipei 236, Taiwan
[4] Chang Gung Univ, Coll Med, Taoyuan 333, Taiwan
[5] Natl Taiwan Univ, Sch Nursing, Coll Med, Taipei 100, Taiwan
[6] Natl Taiwan Univ Hosp, Dept Nursing, Taipei 100, Taiwan
[7] Chang Gung Univ, Sch Nursing, Coll Med, Taoyuan 333, Taiwan