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. Author manuscript; available in PMC: 2021 Apr 28.
Published in final edited form as: J Biomed Inform. 2021 Apr 28;118:103790. doi: 10.1016/j.jbi.2021.103790

Table 1.

Example of a trial with three cohort groups.

# New Trial ID Cohort Group Topic
1 NCT04494893_exposed Cohort 1. Exposed to coronavirus disease
2 NCT04494893_active Cohort 2. Infected with coronavirus disease
3 NCT04494893_recovered Cohort 3. Recovered from coronavirus disease