1. Department of Intensive Care Medicine, Chi Mei Medical Center, Tainan City, Taiwan.
2. Department of Medicine, Taipei Medical University, Taipei City, Taiwan.
3. Department of Medical Research, Chi Mei Medical Center, Tainan City, Taiwan.
4. Department of Internal Medicine, Chi Mei Medical Center, Tainan City, Taiwan.
5. Department of Health and Nutrition, Chia Nan University of Pharmacy and Science, Tainan City, Taiwan.
6. Department of Internal Medicine, Chi Mei Medical Center-Liou Ying, Tainan City, Taiwan.