1. Regional Cancer Centre West, Gothenburg, Sweden
2. Department of Health Sciences, Karlstad University, Karlstad, Sweden
3. Faculty of Medicine, Department of Clinical Sciences Lund, Lund University, Lund, Sweden
4. Regional Cancer Centre South, Lund, Sweden
5. Department of Technology Management and Economics, Chalmers University of Technology, Gothenburg, Sweden and Regional Cancer Centre West, Gothenburg, Sweden