作者单位：Department of Health SciencesBrigham Young UniversityProvo,UT,USA[1]F Edward Hébert SOMUniformed Services University of the Health SciencesBethesda,MD,USA[2]School of Engineering and InnovationThe Open UniversityMilton Keynes,UK[3]Save the ChildrenWashington,D.C.,USA[4]Department of Emergency MedicineHighland HospitalOakland,CA,USA[5]University of Exeter Business SchoolExeter,UK[6]
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