1. Department of Anesthesiology, University of Texas Health San Antonio, San Antonio, Texas
2. Department of Anesthesiology and Interdepartmental Division of Critical Care Medicine, University of Toronto, Toronto, Ontario, Canada
3. Division of Pulmonary, Allergy, Sleep and Critical Care Medicine, Boston University, Boston, Massachusetts
4. Institute for Healthcare Delivery and Population Science, University of Massachusetts Medical School – Baystate, Springfield, Massachusetts
5. Division of Pulmonary, Critical Care, and Sleep Medicine, University of Miami Miller School of Medicine, Miami, Florida; and
6. Division of Critical Care Medicine, Albert Einstein College of Medicine, Bronx, New York