[1] Natl Cheng Kung Univ, Coll Med, Dept Nursing, Tainan, Taiwan
[2] Chi Mei Fdn Med Ctr, Dept Gen Surg, Tainan, Taiwan
[3] Natl Cheng Kung Univ, Natl Cheng Kung Univ Hosp, Coll Med, Dept Surg, Tainan, Taiwan
[4] Chung Shan Med Univ, Dept Psychol, Taichung, Taiwan
[5] Chung Shan Med Univ Hosp, Clin Psychol Room, Taichung, Taiwan
[6] Natl Cheng Kung Univ, Natl Cheng Kung Univ Hosp, Coll Med, Dept Nursing, Tainan, Taiwan