1 Competence Center Mortality-Follow-Up of the German National Cohort, Federal Institute for Population Research, Wiesbaden D-65185, Germany. Electronic address: andrea.werdecker@bib.bund.de.
2 Competence Center Mortality-Follow-Up of the German National Cohort, Federal Institute for Population Research, Wiesbaden D-65185, Germany; Medical School, Philipps-University Marburg, Marburg, Germany.