83
Participants
Start Date
February 19, 2018
Primary Completion Date
August 14, 2022
Study Completion Date
May 6, 2023
Vitamin D and A
A single dose of Vitamin A and Vitamin D will be given.
Vitamin D and Placebo
A single dose of Vitamin D plus a placebo will be given.
Cincinnati Children's Hospital Medical Center, Cincinnati
Children's Hospital Medical Center, Cincinnati
OTHER