96f5cb0e_REDCap__Description
[Project Type] Longitudinal Project (multi-use data entry forms, abstract time-points) [Watch Video] 3 minutes [Description] 
The Longitudinal module allows any data collection instrument(s) to be completed multiple times for each record. The same data may be captured repeatedly. The module uses an event grid to define clear timepoints used for data collection. The longitudinal module is best suited to very structured studies which do NOT last indefinitely. Clinical trials frequently use this project type.
REDCap
Description