1. Institute of Pathology, Erlangen University Hospital, Friedrich Alexander University of Erlangen-Nuremberg
2. Comprehensive Cancer Center, European Metropolitan Area Erlangen-Nuremberg (CCC ER-EMN), Erlangen, Germany
3. Department of Cellular Pathology, University Hospitals Birmingham, Birmingham, UK
4. Department of Pathology and Immunology, Washington University School of Medicine, St. Louis, MO
5. Department of Pathology and Laboratory Medicine, Mount Sinai Hospital and Laboratory Medicine and Pathobiology, University of Toronto, Canada
6. Department of Pathology, Faculty of Medicine, Charles University, Plzen, Czech Republic
7. Bioptical Laboratory, Ltd., Plzen, Czech Republic