| Affiliation: | 1. Department of Emergency Medicine, San Antonio Military Medical Center, San Antonio, TX, United States of America;2. Greater San Antonio Emergency Physicians, Methodist Hospital System, San Antonio, TX, United States of America;1. Department of Emergency Medicine, Stroger Cook County Hospital, Chicago, IL, United States of America;2. Department of Emergency Medicine, South Suburban Hospital, Hazel Crest, IL, United States of America;1. Department of Emergency Medicine, CHRISTUS Health/Texas A&M, Corpus Christi, TX, United States of America;2. Department of Mathematics, Texas A&M University-Corpus Christi, Corpus Christi, TX, United States of America |
