1. Department of Emergency Medicine Geisinger Medical Center Danville Pennsylvania USA
2. Department of Medicine Pulmonary and Critical Care Division Loma Linda University Loma Linda California USA
3. Department of Emergency Medicine University of Kansas Hospital Kansas City Kansas USA
4. Department of Pathology & Laboratory Medicine Medical College of Wisconsin Milwaukee Wisconsin USA
5. Department of Emergency Medicine UC Davis Health Davis California USA
6. Department of Critical Care Medicine Louisiana State University Baton Rouge Louisiana USA
7. Department of Emergency Medicine Hennepin County Medical Center University of Minnesota Minneapolis Minnesota USA
8. Vanderbilt Institute for Clinical and Translational Sciences and Division of Allergy Pulmonary and Critical Care Medicine Vanderbilt University Medical Center Nashville Tennessee USA
9. Vanderbilt Institute for Clinical and Translational Sciences and Department of Emergency Medicine Vanderbilt University Medical Center Nashville Tennessee USA
10. Department of Emergency Medicine Johns Hopkins University Baltimore Maryland USA