[1] Lower Saxony Canc Registry, Oldenburg, Germany
[2] German Canc Res Ctr, Div Clin Epidemiol & Aging Res, Neuenheimer Feld 581, D-69120 Heidelberg, Germany
[3] Johannes Gutenberg Univ Mainz, Canc Registry Rhineland Palatinate, Inst Med Biostat Epidemiol & Informat, Univ Ctr, D-55122 Mainz, Germany
[4] Saarland Canc Registry, Saarbrucken, Germany
[5] Canc Registry Schleswig Holstein, Lubeck, Germany
[6] German Canc Res Ctr, Div Prevent Oncol, Heidelberg, Germany
[7] Natl Ctr Tumor Dis NCT, Heidelberg, Germany
[8] German Canc Res Ctr, German Canc Consortium DKTK, Heidelberg, Germany