1. Department of Intensive Care Medicine, Chi Mei Medical Center, Tainan City, Taiwan
2. Division of Chest Medicine, Department of Internal Medicine, Chi Mei Medical Center, Tainan, Taiwan, Yong-Kang District, Tainan City, Taiwan
3. Department of Medical Research, Chi Mei Medical Center, Tainan City, Taiwan
4. Division of Hospital Medicine, Department of Internal Medicine, Chi Mei Medical Center, Yong-Kang District, Tainan City, Taiwan
5. Department of Physical Medicine and Rehabilitation, Chi Mei Medical Center, Jialixing Jiaxing Village, Jiali District, Tainan City, Taiwan.