1 Department of Anaesthesiology, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia.
2 Department of Dietetics and Nutrition, Ng Teng Fong General Hospital, Singapore, Singapore.
3 Department of Anesthesiology, Intensive Care, Emergency and Pain Medicine, University Hospital Wuerzburg, Wuerzburg, Germany.
4 Departments of Anesthesiology and Intensive Care Medicine, University Hospital Rheinisch-Westfälische Technische Hochschule Aachen, Aachen, Germany.
5 Clinical Evaluation Research Unit, Department of Critical Care Medicine, Queen's University, KGH Research Institute, Kingston Health Sciences Centre, Kingston, ON, Canada.
6 Department of Medicine, Division of Pulmonary & Critical Care Medicine, Medical College of Wisconsin, Milwaukee, WI.