1. Department of Anesthesiology, College of Physicians and Surgeons, Columbia University, New York, New York2Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, New York
2. Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark4Department of Anesthesiology and Intensive Care, Aarhus University Hospital, Aarhus, Denmark
3. Department of Clinical Epidemiology, Aarhus University Hospital, Aarhus, Denmark
4. Department of Internal Medicine, College of Medicine, The Ohio State University, Columbus
5. Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania7Associate Editor, JAMA