Affiliation: | 1. Department of Social Medicine, Faculty of Medicine, University of Crete, Heraklion, Greece;2. Infection, Inflammation and Cancer Program, German Cancer Research Center (DKFZ), Heidelberg, Germany;3. Department of Pediatric Hematology‐Oncology University of Crete, University Hospital of Heraklion, Heraklion, Greece;4. Centre for Research in Environmental Epidemiology (CREAL), Barcelona, Spain;5. Hospital del Mar Medical Research Institute (IMIM), Barcelona, Spain;6. Centro de Investigación Biomédica en Red de Epidemiología y Salud Pública (CIBERESP), Madrid, Spain;7. Unit of Infections and Cancer, Cancer Epidemiology Research Programme, Catalan Institute of Oncology, L'Institut d'Investigació Biomèdica de Bellvitge (IDIBELL), Barcelona, Spain |