Wen-Chi Hsu, MD a, b, Wei-Chen Lin, MD c, Ann-Shung Lieu, MD d, Tzeng Jih Lin, MD e, f, g, Chieh-Fan Chen, MD a, Shih-Chia Yang, MD e, ⁎ ![](/templates/common/images/mail.png)
a Department of Emergency, Kaohsiung Municipal United Hospital, Kaohsiung 804, Taiwan
b Graduate Institute of Public Health, College of Health Science, Kaohsiung Medical University, Kaohsiung 807, Taiwan
c Department of Medical Imaging, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
d Department of Neurosurgery, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
e Department of Emergency, Kaohsiung Medical University Hospital, Kaohsiung Municipal United Hospital, Kaohsiung 807, Taiwan
f Department of Emergency Medicine, Faculty of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
g Faculty of Medicine, National Yang-Ming University, Taipei 112, Taiwan