1. Unit of Co-ordinated Cancer Investigation, Linköping University Hospital, Linköping, Sweden
2. Palliative Education and Research Center, Linköping, Sweden
3. Unit of Palliative Care, Department of Specialized Home Care, Region of Östergötland, Linköping, Sweden
4. Department of Surgery, Linköping University Hospital, Linköping, Sweden
5. Department of Clinical and Experimental Medicine, Linköping University, Linköping, Sweden