1. Department of Intensive Care Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
2. Department of Cardio-thoracic Surgery, Nanjing First Hospital, Nanjing Medical University, Nanjing, People’s Republic of China
3. Graduate School for Cellular and Biomedical Sciences, University of Bern, Bern, Switzerland
4. Department of Visceral Surgery and Medicine, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
5. Institute of Pathology, Inselspital, Bern University Hospital, University of Bern, Bern, Switzerland
6. Institute of Pathology, Triemlispital Zürich, Zürich, Switzerland