?:authorAffiliation
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[\'Beijing Emergency Medicine Research Institute, Beijing Emergency Medical Center, Beijing, China.\', \'Beijing Emergency Medical Center, Beijing, China.\', \'Beijing Chao Yang District Emergency Medical Center, Beijing, China.\', \'Beijing Haidian District Medical Rescue Center, Beijing, China.\', \'Beijing Luhe Hospital, Capital Medical University, Beijing, China.\', \'Beijing Dongcheng District Emergency Medical Center, Beijing, China.\', \'Beijing Shijingshan District Hospital, Beijing, China.\', \'Beijing Daxing District People\'s Hospital, Beijing, China.\', \'Beijing Emergency Medicine Research Institute, Beijing Emergency Medical Center, Beijing, China. Electronic address: zhang92560@163.com.\']
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