With the development of household budget systems and with regard to the requirements of the European Union with new EU-SILC approaches, the cumulation of cross-section surveys to an integrated information system is recently discussed and required. In particular the reconstruction of household...

Background: The National Cohort (Nationale Kohorte = NaKo ) will be one of the largest cohort studies in Europe to include intensive physical examinations and extensive information about the socio-demographic background and behavior of the subjects. However, regional selectivity of the study and...