1. Department of Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
2. Department of Surgery, New York University, Grossman School of Medicine, New York, New York, USA
3. Department of Surgery, Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
4. Department of Medicine, Division of Biomedical Informatics & Data Science, School of Medicine, Baltimore, Maryland, USA
5. Department of Epidemiology, Johns Hopkins University, Bloomberg School of Public Health, Baltimore, Maryland, USA
6. Department of Biostatistics, Columbia University Mailman School of Public Health, New York, New York, USA
7. Department of Surgery, University of Wisconsin, School of Medicine and Public Health, Madison, Wisconsin
8. Department of Surgery, University of Maryland, School of Medicine, Baltimore, Maryland, USA
9. Department of Emergency Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, USA
10. Department of Anesthesiology and Critical Care Medicine, School of Medicine, Johns Hopkins University, Baltimore, Maryland, USA
11. Beckman Coulter, Brea, California, USA