1. Cancer Registry of Rhineland-Palatinate; Mainz Germany
2. Institute of Medical Biostatistics, Epidemiology and Informatics; University Medical Centre; Mainz Germany
3. Division of Clinical Epidemiology and Aging Research; German Cancer Research Center; Heidelberg Germany
4. Leibniz Institute of Prevention Research and Epidemiology; Bremen Germany
5. Health Sciences Bremen; University of Bremen; Bremen Germany
6. Association of Bi-national Families and Relationships; Berlin Germany
7. Cancer Registry North Rhine-Westphalia; Münster Germany
8. Bremen Cancer Registry; Bremen Germany
9. Cancer Registry Hamburg; Hamburg Germany
10. Saarland Cancer Registry; Saarbrücken Germany
11. University Medical Center Schleswig-Holstein; Campus Lübeck, Institute of Social Medicine and Epidemiology; Lübeck Germany