作者单位:.So Ri Kim;.Yeong Hun Choe;Gong Yong Jin;.Myoung Ja Chung;.Yong Chul Lee;.Chonbuk National University Medical School Jeoniu, South Korea[1]Department of Emergency Medicine, Tufts Medical Center, Boston, MA, USA. sweiner@tuftsmedicalcenter.org[2]