1Department of Urology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
2Division of Nephrology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
3Department of Pathology of Molecular Pathology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
4Cancer Data Science Group, Children’s Medical Research Institute, University of Sydney, Sydney, NSW Australia
5Horten Centre for Patient Oriented Research and Knowledge Transfer, University Hospital Zurich, University of Zurich, Zurich, Switzerland
© The Author(s) 2018
Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.