1 Department of Emergency Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan.
2 Department of Emergency Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan; Department of Nursing, Cardinal Tien Junior College of Healthcare and Management, Yilan, Taiwan.
3 Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Emergency Medicine, National Taiwan University Hospital Yun-Lin Branch, Douliu City, Taiwan.