Report on the establishment of the EPHOR mega cohort

Summary
The EPHOR mega cohort will be created including cohorts with data on occupational histories Occupations will be coded including using automated free text mining developed in WP4 crosswalks between different coding systems will be developed and used to harmonize data across different occupational coding systems and versions together with WP4 and the newly developed EuroJEM WP2 will be applied to occupational histories over the lifecourse of included participants A framework for decentralized largescale pooling of data for epidemiological analyses will be implemented with WP4