1. Proteopath GmbH; Trier Germany
2. Mass Spectrometry Laboratory, GIGA-Research, Department of Chemistry; University of Liège; Liège Belgium
3. Institute of Pathology; University of Heidelberg; Heidelberg Germany
4. Laboratory of Experimental Pathology, GIGA-Cancer, Department of Pathology; University of Liège; Liège Belgium
5. Imabiotech; MALDI Imaging Service Department; Parc Eurasanté Loos France
6. MVZ for Histology; Cytology and Molecular Diagnostics Trier; Trier Germany