1. Department of Critical Care Services; Royal Adelaide Hospital; Adelaide Australia
2. Discipline of Acute Care Medicine; University of Adelaide; Adelaide Australia
3. Intensive Care Unit; Royal Melbourne Hospital; Melbourne Australia
4. Department of Medicine; Université de Sherbrooke; Sherbrooke Canada
5. Centre Hospitalier Universitaire de Sherbrooke; Sherbrooke Canada
6. GlaxoSmithKline R&D; Research Triangle Park; North Caroliana USA
7. Mallinckrodt Pharmaceuticals, Inc.; Hampton New Jersey USA
8. GlaxoSmithKline R&D; Stevenage United Kingdom
9. Phastar; Chiswick United Kingdom
10. GlaxoSmithKline R&D; Cambridge United Kingdom
11. Departments of Critical Care Medicine, Medicine and Community Health Sciences, O'Brien Institute for Public Health; University of Calgary; Calgary Alberta Canada
12. Department of Medicine and Interdepartmental, Division of Critical Care Medicine; Sinai Health System and University of Toronto; Toronto, Canada
13. Clinical Evaluation Research Unit, Kingston General Hospital; Kingston Canada
14. Department of Critical Care Medicine; Queen's University; Kingston Ontario Canada