1 Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden.
2 Medical Research Council Epidemiology Unit, University of Cambridge, Cambridge, UK.
3 Department of Oncology-Pathology, Karolinska Institutet, Stockholm, Sweden.
4 Infections and Cancer Epidemiology Division, Deutsches Krebsforschungszentrum, Heidelberg, Germany.
5 Medical Research Council Epidemiology Unit, University of Cambridge, Cambridge, UK; Department of Medicine, Cambridge Biomedical Research Centre, Cambridge, UK. Electronic address: egkraniaklotsas@nhs.net.
6 Department of Cell and Molecular Biology, Karolinska Institutet, Stockholm, Sweden. Electronic address: jonas.frisen@ki.se.