1. Institute of Pathology, Friedrich Alexander University Erlangen‐Nürnberg, University Hospital Erlangen Germany
2. Diagnostic and Research Institute of Pathology, Medical University of Graz Graz Austria
3. Department of Pathology and Laboratory Medicine University of Miami Miller School of Medicine Miami Florida USA
4. Department of Pathology Massachusetts General Hospital Boston Massachusetts USA
5. Department of Pathology Charles University, Faculty of Medicine in Plzen Pilsen Czech Republic