1 Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan; Department of Safety Health and Environmental Engineering, Chung Hwa University of Medical Technology, Tainan, Taiwan.
2 Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan; Chia Nan University of Pharmacy and Science, Tainan, Taiwan.
3 Department of Intensive Care Medicine, Chi Mei Medical Center, Liouying, Taiwan.