1. Department of Emergency Medicine, Perelman School of Medicine at the University of Pennsylvania, Philadelphia, PA, USA
2. Department of Biomedical Informatics, School of Medicine, Emory University, Atlanta, GA, USA
3. Department of Emergency Medicine, Icahn School of Medicine at Mount Sinai, 1 Gustave L. Levy Place, New York, NY, USA
4. Department of Emergency Medicine, Rutgers University, Newark, NJ, USA