1. Anesthesia and Intensive Care Unit San Giovanni Bosco Hospital Turin Italy
2. Interdepartmental Division of Critical Care Medicine Unity Health Toronto (St. Michael's Hospital) Toronto Canada
3. Department of Anesthesia and Intensive Care Unit Saint Bartholomew's Hospital Barts NHS Trust London UK
4. Anesthesia and Intensive Care Unit, Department of Medicine University of Udine Udine Italy
5. Department of Medicine. Department of Emergency Medicine St. Francis Hospital, University of South Carolina School of Medicine Columbus Georgia USA