... | ... | @@ -125,5 +125,5 @@ BIDS data can be downloaded by means of the `pepcli pull` command by just includ |
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While data are usually downloaded onto the local file system as a single file, columns configured with BIDS support will produce a *directory* instead. The directory will be named after the column (e.g. `Visit1.MRI.Anat` in the example) and filled with the files that were [originally uploaded](#uploading-bids-data). Within those files, however, any values originally containing the MRI data's short pseudonym will have been replaced by the [user pseudonym](Pseudonymization#identifiers-in-pep) for that participant. The user pseudonym can then be used as a identifier for the subject (and/or for the subject's MRI data) during further processing. It should be noted that
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- a substring of the user pseudonym will be used, matching the length of the original short pseudonym.
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- if downloaders wish to join MRI data for multiple subjects into a single BIDS data set, they must (use third-party tooling to) do so themselves.
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- if downloaders wish to join MRI data for multiple subjects into a single BIDS data set, they must do so themselves (e.g. using third-party tooling).
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- the `pepcli get` command provides no support for the BIDS format, so its use will produce the originally uploaded `tar` archive, containing placeholder values instead of user pseudonyms. |
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