1. Department of Pathology and Oncology, Karolinska Institutet, Stockholm, Sweden;
2. Department of Surgery, Capio St Görans Hospital, Stockholm, Sweden;
3. Ivbar Institute, Stockholm, Sweden;
4. Medical Management Centre, Karolinska Institutet, Stockholm, Sweden;
5. Public Healthcare Services Committee Administration, Stockholm County Council, Stockholm, Sweden;
6. Regional Cancer Centre Stockholm-Gotland, Stockholm County Council, Stockholm, Sweden;
7. Department of Radiation Sciences and Oncology, University of Umeå, Umeå, Sweden