1. Institute of Image Analysis and Computer Vision, University of Regensburg,Regensburg,Germany
2. Institute of Imaging and Computer Vision, RWTH Aachen University,Aachen,Germany
3. Institute for Pathology, Hannover Medical School,Hannover,Germany
4. Institute of Pathology, RWTH Aachen University Hospital,Aachen,Germany
5. Fraunhofer Institute for Digital Medicine MEVIS,Lübeck,Germany