1. Department of Population Medicine, Harvard Medical School/Harvard Pilgrim Health Care Institute, Boston, Massachusetts, USA
2. Division of Infectious Diseases, Department of Medicine, Brigham and Women’s Hospital, Boston, Massachusetts, USA
3. Department of Anesthesiology and Critical Care Medicine, Children’s Hospital of Philadelphia and University of Pennsylvania Perelman School of Medicine, Philadelphia, Pennsylvania, USA
4. Division of Infectious Diseases, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
5. Department of Pharmacy Practice and Science, University of Maryland School of Pharmacy, Baltimore, Maryland, USA
6. Critical Care Medicine Department, Clinical Center, National Institutes of Health, Bethesda, Maryland, USA
7. Division of Infectious Diseases, Department of Internal Medicine, University of Nebraska School of Medicine, Omaha, Nebraska, USA
8. Division of Infectious Diseases, Department of Medicine, Oregon Health & Science University, Portland, Oregon, USA
9. Department of Internal Medicine, Texas A&M College of Medicine, Houston, Texas, USA
10. Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of California San Diego School of Medicine, San Diego, California, USA
11. Division of Infectious Diseases, Department of Medicine, Stanford University School of Medicine, Stanford, California, USA