[1] Kaohsiung Med Univ, Coll Med, Grad Inst Med, Kaohsiung 80708, Taiwan
[2] Kaohsiung Med Univ Hosp, Dept Psychiat, Kaohsiung 80708, Taiwan
[3] State Univ New York Univ Buffalo, Sch Nursing, New York, NY 14214 USA
[4] Ditmanson Med Fdn, Dept Psychiat, Chia Yi Christian Hosp, Chiayi 60002, Taiwan