Affiliation: | 1. Department of Anesthesiology, Chi-Mei Medical Center, Tainan, Taiwan, R.O.C.;2. Department of Anesthesiology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan, R.O.C.;3. Graduate Institute of Medical Sciences, National Defense Medical Center, Taipei, Taiwan, R.O.C.;4. Department of Recreation and Health Care Management, Chia Nan University of Pharmacy and Science, Tainan, Taiwan, R.O.C. |