1. Service of Thoracic Surgery Faculty of Biology and Medicine University Hospital of Lausanne Lausanne Switzerland
2. Service of Adult Intensive Care Medicine Faculty of Biology and Medicine University Hospital of Lausanne Lausanne Switzerland
3. Service of Anesthesiology Faculty of Biology and Medicine University Hospital of Lausanne Lausanne Switzerland
4. Faculty of Biology and Medicine The University Institute of Pathology University Hospital of Lausanne Lausanne Switzerland