1. Department of Radiology, Centre for Medical Imaging, Uppsala University Hospital, Uppsala, Sweden
2. School of Electrical Engineering and Computer Science, KTH Royal Institute of Technology, Kista, Sweden
3. Department of Radiology, New York University School of Medicine, New York, NY, USA
4. School of Computing, College of Engineering, University of Utah, Salt Lake City, UT, USA
5. Department of Molecular Medicine and Surgery, Karolinska Institutet, Stockholm, Sweden