1. Regional Cancer Center South East Sweden, Linköping, Sweden;
2. Oncology, Department of Clinical and Experimental Medicine, Faculty of Health Sciences, Linköping University, Linköping, Sweden;
3. Department of Oncology, Umeå University Hospital, Umeå, Sweden;
4. Department of Oncology, Karolinska University Hospital, Stockholm, Sweden;
5. Department of Oncology, Uppsala University Hospital, Uppsala, Sweden;
6. Skånes Department of Oncology, Skåne University Hospital, Lund, Sweden;
7. Department of Oncology, Sahlgrenska University Hospital, Göteborg, Sweden;
8. Department of Medical and Health Sciences, Linköping University, Linköping, Sweden