1. Institute of Pathology Kaufbeuren-Ravensburg; Kaufbeuren Germany
2. Institute of Pathology, University of Regensburg, Medical Center; Regensburg Germany
3. Mammalian Cell Signaling Laboratory; Max Planck Institute for Molecular Biomedicine; Münster North Rhine-Westphalia Germany
4. Department of Surgery; University of Regensburg, Medical Center; Regensburg Germany
5. Institute of Pathology, Technical University Dresden; Dresden Germany