1. Department of Medicine, Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
2. Department of Emergency Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
3. Center for Disease Dynamics, Economics & Policy, Washington, DC, USA
4. Department of Pathology, Division of Medical Microbiology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
5. Department of Pediatrics, Division of Infectious Diseases, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
6. Hospital Epidemiology and Infection Control, The Johns Hopkins Hospital, Baltimore, Maryland, USA
7. Department of Health Policy and Management, Johns Hopkins Bloomberg of School of Public Health, Baltimore, Maryland, USA
8. Department of Medicine, Division of Pulmonary and Critical Care, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
9. Heart & Vascular Institute, Cleveland Clinic Foundation, Cleveland, Ohio, USA
10. Pulmonary and Critical Care Medicine, Columbia University Medical Center, New York, New York, USA
11. Department of Medical Oncology, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
12. Department of Medicine, Division of Pulmonary, Allergy and Critical Care, University of Pennsylvania Health System, Philadelphia, Pennsylvania, USA