1. Perelman School of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
2. Department of Emergency Medicine Reading Hospital Reading Pennsylvania USA
3. Lewis Katz School of Medicine Temple University Philadelphia Pennsylvania USA
4. Department of Emergency Medicine ChristianaCare Newark Delaware USA
5. Department of Emergency Medicine Icahn School of Medicine at Mount Sinai Mount Sinai New York USA
6. Department of Emergency Medicine Center for Resuscitation Science University of Pennsylvania Philadelphia Pennsylvania USA
7. Division of Pulmonary, Allergy and Critical Care Medicine Department of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
8. Cardiovascular Division Department of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
9. Department of Cardiology Reading Hospital West Reading Pennsylvania USA
10. Lancaster General Hospital Lancaster Pennsylvania USA