1. Division of Pulmonary and Critical Care Medicine, Department of Medicine, University of Michigan, Ann Arbor, Michigan;
2. Division of Allergy, Pulmonary, and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, Tennessee;
3. Centre for Inflammation Research, The University of Edinburgh, Edinburgh, United Kingdom;
4. Department of Intensive Care Medicine, Royal Infirmary of Edinburgh, Edinburgh, United Kingdom;
5. Medical Research Institute of New Zealand, Wellington, New Zealand;
6. Intensive Care Unit, Wellington Hospital, Wellington, New Zealand;
7. Australian and New Zealand Intensive Care Research Centre, Monash University, Melbourne, Australia;
8. Department of Critical Care, University of Melbourne, Melbourne, Australia;
9. Hospital do Coração (HCor) Research Institute, São Paulo, Brazil;
10. Department of Critical Care Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada; and
11. VA Center for Clinical Management Research, Ann Arbor, Michigan