1. Department of Psychology, Lund University, Lund, Sweden
2. Department of Paediatrics, Skåne University Hospital, Lund, Sweden
3. Department of Clinical Sciences, Paediatrics, Lund University, Lund, Sweden
4. Medical Radiation Physics, Lund University, Lund, Sweden
5. Radiation Physics, Dept of Haematology, Oncology and Radiation Physics, Skåne University Hospital, Lund, Sweden
6. Department of Biological and Medical Psychology, University of Bergen, Bergen, Norway