[1] Chi Mei Med Ctr, Dept Anesthesiol, Tainan, Taiwan
[2] Chia Nan Univ Pharm & Sci, Dept Hlth & Nutr, Tainan, Taiwan
[3] Chia Nan Univ Pharm & Sci, Dept Senior Citizen Serv Management, Tainan, Taiwan
[4] E Da Hosp, Dept Emergency Med, Kaohsiung, Taiwan
[5] I Shou Univ, Coll Med, Kaohsiung, Taiwan