1 Department of Emergency Medicine, Wexner Medical Center, The Ohio State University, Columbus, Ohio, USA.
2 Department of Emergency Medicine, Icahn School of Medicine, Mount Sinai Health System, Bronx, New York, USA.
3 Department of Emergency Medicine, Weill Cornell Medicine, New York, New York, USA.
4 Departments of Emergency Medicine and Pediatrics, Wayne State University School of Medicine and John D. Dingell VA Medical Center, Detroit, Michigan, USA.
5 Department of Emergency Medicine, Foothills Hospital, Boulder, Colorado, USA.
6 American Board of Emergency Medicine, East Lansing, Michigan, USA.