200
Participants
Start Date
September 3, 2020
Primary Completion Date
November 12, 2020
Study Completion Date
December 14, 2020
Transparent mask
A transparent mask worn by the surgeons in customary fashion will be used.
Typical surgical covered mask
A standard covered surgical mask worn by the surgeons in in customary fashion will be used.
University of North Carolina at Chapel Hill, Chapel Hill
University of North Carolina, Chapel Hill
OTHER