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