1. Laboratory of Experimental Carcinogenesis, Center for Cancer Research, National Cancer Institute, National Institutes of Health; Bethesda MD
2. Institute of Pathology, University Hospital of Basel; Basel Switzerland
3. Department of Medicine I; Johannes Gutenberg University; Mainz Germany
4. Biotech Research and Innovation Centre, University of Copenhagen; Copenhagen Denmark
5. Cancer and Inflammation Program, National Cancer Institute-Frederick; Frederick MD
6. National Cancer Institute, CCR at Leidos Inc., National Institutes of Health; Bethesda MD
7. Oral and Pharyngeal Cancer Branch, National Institute of Dental and Craniofacial Research, National Institutes of Health; Bethesda MD
8. Institute of Surgical Pathology, University Hospital Zurich; Zurich Switzerland
9. Institute of Virology, Technische Universität München/Helmholtz Zentrum München; Munich Germany
10. Division of Chronic Inflammation and Cancer; German Cancer Research Center; Heidelberg Germany