From v5.0, OpenSpecimen Enterprise Edition allows users to group fields in sections on participant, visit and specimen pages.
The highlights of this feature are:
a. Fields can be arranged in rows or sections
b. Each section can have a header (optional)
c. Sections can shown/hidden based on conditions (optional)
Before: The default participant registration page
After: The shortened page with section headers.
For details on how to configure the layout refer to the wiki page.