1. Capio S:t Göran Hospital, Department of Radiology, Stockholm, Sweden
2. Karolinska Institutet, Department of Oncology and Pathology, Solna, Sweden
3. Karolinska Institutet, Department of Medical Epidemiology and Biostatistics, Solna, Sweden
4. Karolinska Institutet, Department of Physiology and Pharmacology, Solna, Sweden