1. Department of Anesthesia, Critical Care, and Pain Medicine,
2. Harvard Medical School, Boston, Massachusetts;
3. Division of Cardiovascular Disease, University of Alabama at Birmingham, Birmingham, Alabama;
4. Department of Clinical Sciences and
5. Department of Anesthesia and Intensive Care and
6. Department of Clinical Science and Education, Sodersxjukhuset, Karolinska Institutet, Stockholm, Sweden;
7. Pulmonary and Critical Care Medicine, Department of Medicine,
8. Division of Infectious Diseases, Brigham and Women’s Hospital, Boston, Massachusetts;
9. Sean M. Healey and AMG Center for ALS,
10. Neurological Clinical Research Institute,
11. Anesthesia Research Center,
12. Department of Anesthesia, Critical Care, and Pain Medicine, Beth Israel Deaconess Medical Center, Boston, Massachusetts; and
13. Critical Care Medicine, Department of Medicine, Louisiana State University Health Shreveport, Shreveport, Louisiana
14. Division of Pediatric Critical Care Medicine, Department of Pediatrics,
15. Anesthesia Critical Care Center for Research, and
16. Department of Infectious Diseases, Danderyd Hospital, Stockholm, Sweden;
17. Respiratory Care Services, Massachusetts General Hospital, Boston, Massachusetts;