1. Maurice Müller Laboratories (DKF), Universitätsklinik für Viszerale Chirurgie und Medizin Inselspital, Murtenstrasse 35, University of Bern, 3010 Bern, Switzerland.
2. Institute of Molecular Systems Biology, Swiss Federal Institute of Technology (ETH) Zürich, 8093 Zürich, Switzerland.
3. Division of Chronic Inflammation and Cancer, German Cancer Research Center (DKFZ), Heidelberg, Germany.
4. Institute for Infectious Diseases, University of Bern, 3010 Bern, Switzerland.