1. Department of Intensive Care University Hospital of Liège Liège Belgium
2. Department of Intensive Care Regional Hospital Centre Citadelle of Liège Liège Belgium
3. Department of Emergency Medicine University Hospital of Liège Liège Belgium
4. Department of Anesthesiology University Hospital of Liège Liège Belgium
5. Department of Cardiothoracic Surgery University Hospital of Liège Liège Belgium