1. Department of Applied IT, University of Göteborg, SE-412 96, Göteborg, Sweden
2. Department of Radiation Protection, Swedish Radiation Safety Authority, SE-171 16, Stockholm, Sweden
3. Medical Radiation Physics, Department of Translational Medicine (ITM), Lund University, SE-205 02, Malmö, Sweden
4. Department of Radiology, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, SE-413 45, Göteborg, Sweden
5. Department of Medical Physics and Biomedical Engineering, Sahlgrenska University Hospital, SE-413 45, Göteborg Sweden
6. Department of Radiation Physics, Institute of Clinical Sciences, Sahlgrenska Academy, University of Gothenburg, SE-413 45, Göteborg, Sweden