264
Participants
Start Date
October 1, 2022
Primary Completion Date
December 1, 2025
Study Completion Date
December 31, 2026
Vitamin D₃ (25-hydroxy vitamin D)
Vitamin D3 oral supplementation
Vitamin D₃ (25-hydroxy vitamin D)
Vitamin D3 oral supplementation
Hospital Infantil de México Federico Gómez, Mexico City
Hospital Infantil de Mexico Federico Gomez
OTHER