1. Experimental Tumor Pathology, Institute of Pathology, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
2. Institute of Pathology, University of Bern, Bern, Switzerland
3. Institute of Pathology, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany
4. Department of Anatomy, Friedrich-Alexander University of Erlangen-Nürnberg (FAU), Erlangen, Germany