1. Department of Clinical Sciences Lund, Surgery, Lund University and Skåne University Hospital, Lund, Sweden;
2. Department of Clinical Sciences Lund, Pathology, Lund University and Skåne University Hospital, Lund, Sweden;
3. Department of Clinical Sciences Lund, Cardiothoracic Surgery, Lund University and Skåne University Hospital, Lund, Sweden