1. International Agency for Research on Cancer Lyon France
2. Department of Infectious Diseases Public Health Service (GGD) of Amsterdam Amsterdam the Netherlands
3. Infection, Inflammation and Cancer Program German Cancer Research Center (DKFZ) Heidelberg Germany
4. Faculty of Biosciences Heidelberg University Heidelberg Germany
5. Department of Gastroenterology and Hepatology Leiden University Medical Center (LUMC) Leiden the Netherlands
6. Department of Internal Medicine Amsterdam Infection & Immunity Institute (AIII) Amsterdam UMC University of Amsterdam Amsterdam the Netherlands
7. Department of Public Health Amsterdam UMC University of Amsterdam Amsterdam the Netherlands