1. Department of Anesthesiology, E-Da Hospital and I-Shou University, Kaohsiung, Taiwan
2. Institute of Biomedical Sciences, College of Medicine, National Sun Yat-Sen University, Kaohsiung, Taiwan
3. Department of Anesthesiology, Shin-Huey-Shin Hospital, Kaohsiung, Taiwan
4. Department of Nursing, I-Shou University College of Medicine, Kaohsiung, Taiwan
5. Institute of Precision Medicine, College of Medicine, National Sun Yat-Sen University, Kaohsiung, Taiwan
6. Division of General Surgery, Department of Surgery, E-Da Hospital and I-Shou University, Kaohsiung, Taiwan
7. School of Medicine, I-Shou University College of Medicine, Kaohsiung, Taiwan
8. Bariatric and Metabolism International Surgery Center, E-Da Hospital and I-Shou University, Kaohsiung, Taiwan
9. Department of Anesthesiology, Dalin Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Chia-Yi, Taiwan.