1. Department of Applied Tumor Biology, Institute of Pathology, Heidelberg University Hospital, D‑69120 Heidelberg, Germany
2. Department of Animal Physiology and Immunology, TUM School of Life Sciences Weihenstephan, Technical University of Munich, D‑85354 Freising, Germany
3. EM‑Lab, Institute of Pathology, Heidelberg University Hospital, D‑69120 Heidelberg, Germany