1. Department of Anesthesiology, Chi Mei Medical Center, Tainan City 71004, Taiwan
2. Department of Recreation and Health-Care Management, College of Recreation and Health Management, Chia Nan University of Pharmacy and Science, Tainan 71710, Taiwan
3. Department of Anesthesiology, E-Da Hospital, I-Shou University, Kaohsiung City 82445, Taiwan
4. Department of Nursing, College of Medicine, I-Shou University, Kaohsiung City 82445, Taiwan
5. School of Medicine, I-Shou University, Kaohsiung City 82445, Taiwan
6. Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan City 70101, Taiwan
7. Department of Nutrition, Chi Mei Medical Center, Tainan City 71004, Taiwan
8. Department of Anesthesiology, E-Da Dachang Hospital, I-Shou University, Kaohsiung City 80794, Taiwan
9. Department of Anesthesiology, Chi Mei Medical Center, Liouying, Tainan City 71004, Taiwan