Published on in Vol 23, No 10 (2021): October
Preprints (earlier versions) of this paper are
available at
https://preprints.jmir.org/preprint/30697, first published
.
![The National COVID Cohort Collaborative: Analyses of Original and Computationally Derived Electronic Health Record Data The National COVID Cohort Collaborative: Analyses of Original and Computationally Derived Electronic Health Record Data](https://asset.jmir.pub/assets/8bcc14ca6c5016d36f46e30265924f16.png 480w,https://asset.jmir.pub/assets/8bcc14ca6c5016d36f46e30265924f16.png 960w,https://asset.jmir.pub/assets/8bcc14ca6c5016d36f46e30265924f16.png 1920w,https://asset.jmir.pub/assets/8bcc14ca6c5016d36f46e30265924f16.png 2500w)
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