1. Division of Clinical Epidemiology and Aging Research; German Cancer Research Center (DKFZ); Heidelberg Germany
2. Cancer Registry of North Rhine-Westphalia (Münster region); Münster Germany
3. Bremen Cancer Registry; Leibniz-Institute for Prevention Research and Epidemiology - BIPS; Bremen Germany
4. Saarland Cancer Registry; Saarbrücken Germany
5. Hamburg Cancer Registry; Hamburg Germany
6. Institute of Clinical Epidemiology; University Hospital Schleswig-Holstein; Lübeck Germany
7. Cancer Registry Rhineland-Palatinate; Mainz Germany