1. Center for Primary Health Care Research Lund University Malmö Sweden
2. Department of Family Medicine and Community Health Department of Population Health Science and Policy Icahn School of Medicine at Mount Sinai New York New York
3. Center for Community‐based Healthcare Research and Education (CoHRE) Department of Functional Pathology School of Medicine Shimane University Shimane Japan
4. Hopp Children's Cancer Center (KiTZ) Heidelberg Germany
5. Division of Pediatric Neurooncology German Cancer Research Center (DKFZ) German Cancer Consortium (DKTK) Heidelberg Germany
6. Faculty of Medicine and Biomedical Center in Pilsen Charles University in Prague Pilsen Czech Republic
7. Division of Cancer Epidemiology German Cancer Research Centre (DKFZ) Heidelberg Germany