urn:ddi:int.naddi:5b9de07d-de66-4724-87d5-a576656cff60:3 int.naddi 5b9de07d-de66-4724-87d5-a576656cff60 3 jeremy 2016 data thu_longitudinal Lessons learned in supporting major longitudinal research projects with metadata, and in using metadata for rules-based data ingestion in a secure data repository int.naddi c844500b-67d2-40f3-a91a-6ec540a03969 2 CodeList