1. Department of Urology, UZ Leuven, Leuven, Belgium
2. Organ Systems, Department of Development and Regeneration, KU Leuven, Leuven, Belgium
3. Department of Pathology, AZ Klina, Brasschaat, Belgium
4. Section of Pathological Anatomy, Marche Polytechnic University, School of Medicine, United Hospitals, Ancona, Italy
5. Department of Pathology, University Hospital Erlangen, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
6. Department of Surgery, Cordoba University Medical School, Cordoba, Spain
7. Department of Pathology & Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA