1. Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
2. Department of Surgery, University of California-East Bay, Oakland, California, USA
3. Baltimore Convention Center Field Hospital, Baltimore, Maryland, USA
4. Population Health, University of Maryland Medical System, Baltimore, Maryland, USA
5. Center for Vaccine Development and Global Health, Department of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland, USA
6. Department of Pathology, University of Maryland School of Medicine, Baltimore, Maryland, USA
7. University of Maryland Baltimore County, Catonsville, Maryland, USA
8. Division of Hospital Medicine, The Johns Hopkins Bayview Medical Center, Baltimore, Maryland, USA
9. Department of Orthopedic Surgery, The Johns Hopkins University, Baltimore, Maryland, USA