In reply

Ann Emerg Med. 2018 Aug;72(2):229-231. doi: 10.1016/j.annemergmed.2018.03.030.

¹ Department of Emergency Medicine, St. Paul's Hospital, Vancouver, British Columbia, Canada.
² Department of Emergency Medicine, University of Fukui Hospital, Fukui Prefecture, Japan.
³ Department of Emergency Medicine, University of British Columbia, Vancouver, British Columbia, Canada.
⁴ School of Population and Public Health, University of British Columbia, Vancouver, British Columbia, Canada; Centre for Health Evaluation and Outcome Sciences, Vancouver, British Columbia, Canada.
⁵ Department of Emergency Medicine, Okinawa Prefectural Chubu Hospital, Okinawa, Japan; Biostatistics Center, Kurume University, Kurume, Fukuoka, Japan.

No abstract available

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