1. Department of Urology, University Hospital Zürich, University of Zürich, Zürich, Switzerland
2. Institute for Health Policy, Management and Evaluation, University of Toronto, Toronto, Ontario, Canada
3. Institute of Diagnostic and Interventional Radiology, University Hospital Zürich, University of Zürich, Zürich, Switzerland
4. Departments of Pathology and Molecular Pathology, University Hospital Zürich, University of Zürich, Zürich, Switzerland
5. Department of Mathematics, Technical University of Munich, Garching, Munich, Germany