1 Division of Preventive Oncology, National Center for Tumor Diseases, German Cancer Research Center, Heidelberg 69120, Germany; Medical Faculty Heidelberg, Heidelberg University, Heidelberg 69120, Germany.
2 Center for Primary Health Care Research, Lund University, Malmö 202 13, Sweden; Department of Family Medicine and Community Health, Department of Population Health Science and Policy, Icahn School of Medicine at Mount Sinai, New York, NY, 10029, USA; Center for Community-based Healthcare Research and Education, Department of Functional Pathology, School of Medicine, Shimane University, Izumo 693-8501, Japan.
3 Division of Preventive Oncology, National Center for Tumor Diseases, German Cancer Research Center, Heidelberg 69120, Germany; Division of Clinical Epidemiology and Aging Research, German Cancer Research Center, Heidelberg 69120, Germany; German Cancer Consortium, German Cancer Research Center, Heidelberg 69120, Germany.
4 Division of Preventive Oncology, National Center for Tumor Diseases, German Cancer Research Center, Heidelberg 69120, Germany; Center for Primary Health Care Research, Lund University, Malmö 202 13, Sweden.
5 Division of Preventive Oncology, National Center for Tumor Diseases, German Cancer Research Center, Heidelberg 69120, Germany; Center for Primary Health Care Research, Lund University, Malmö 202 13, Sweden; Institute of Primary Health Care, University of Bern, Bern 3012, Switzerland. Electronic address: [email protected].