1. Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts
2. Now with Eliot Phillipson Clinician Scientist Training Program, Department of Medicine, University of Toronto, Ontario, Canada
3. College of Medicine, University of Saskatchewan, Regina, Saskatchewan, Canada
4. Department of Critical Care, Saskatchewan Health Authority, Regina, Saskatchewan, Canada
5. Antiviral Research Center, Department of Medicine, University of California, San Diego
6. Cognitive Neurology Unit, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts
7. Cardiovascular Epidemiology Research Unit, Beth Israel Deaconess Medical Center, Boston, Massachusetts
8. Division of Critical Care, Department of Pediatrics, Nationwide Children’s Hospital, Columbus, Ohio