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There are currently several systems that will issue DOIs when data are uploaded to a repository, including Zenodo, figshare, and the Dataverse. Each system presently has different various advantages and disadvantages, concerning ease-of-use, richness of metadata, formats accepted, but what matters to authors and Jornal publishers is that any of these systems will issue a robust DOI for a data set that can be included as a so-called "first class" reference (like citing a Journal Article) in scholarly writing. Any modern scientific publication should adjust its practices to accept these DOIs as references, and it should encouage authors to seek these DOIs.  **Gus** do we want a table intercomparing the three systems, like the one I suggested for Authorea/writeLaTeX/shareLateX, above? If so, can you make said table? thanks. **Josh** if Gus makes that, should we include it here, or as an appendix? **JP** -- here seems appropriate to me