Department of Emergency, Chi-Mei Medical Hospital, Tainan, Taiwan. Graduate Institute of Medical Sciences, College of Health Science, Chang Jung, Christian University, Tainan, Taiwan. Center for Evidence-Based Health Care, Taipei Medical University-Shuang Ho Hospital, New Taipei City, Taiwan. Department of Medical Research, Taipei Medical University-Shuang Ho Hospital, New Taipei City, Taiwan. Department of Emergency, Chi-Mei Medical Hospital, Tainan, Taiwan. Department of Biotechnology, Southern Taiwan University of Science and Technology, Tainan, Taiwan. Department of Emergency, Chi-Mei Medical Hospital, Tainan, Taiwan. Department of Biotechnology, Southern Taiwan University of Science and Technology, Tainan, Taiwan. Department of Emergency Medicine, Taipei Medical University, Taipei, Taiwan. Department of Emergency, Chi-Mei Medical Hospital, Tainan, Taiwan. Department of Occupational Medicine, Chi-Mei Medical Hospital, Tainan, Taiwan. Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan, Taiwan. Department of Child Care and Education, Southern Taiwan University of Science and Technology, Tainan, Taiwan. Department of Geriatrics and Gerontology, Chi-Mei Medical Hospital, Tainan, Taiwan. Shared Decision Making Resource Center, Taipei Medical University-Shuang Ho Hospital, New Taipei City, Taiwan. Department of Emergency, Chi-Mei Medical Hospital, Tainan, Taiwan. Center for Evidence-Based Health Care, Taipei Medical University-Shuang Ho Hospital, New Taipei City, Taiwan. Department of Medical Research, Taipei Medical University-Shuang Ho Hospital, New Taipei City, Taiwan. Shared Decision Making Resource Center, Taipei Medical University-Shuang Ho Hospital, New Taipei City, Taiwan. Division of General Surgery, Department of Surgery, Taipei Medical University-Shuang Ho Hospital, New Taipei City, Taiwan. Department of Surgery, School of Medicine, College of Medicine, Taipei Medical University, Taiwan. Cochrane Taiwan, Taipei Medical University, Taipei, Taiwan.