Design
NCT04377386
A triple-blind parallel two-arm randomised controlled clinical trial. The study participants were young adults from the SIMBA cohort, which began in 2006 with 1282 children between 6 and 10 years of age in the city of Bucaramanga, Colombia (latitude: 7⋅12539)Follow-up of the participants throughout the intervention.The protocol was registered in Clinicaltrials.gov with the NCT04377386 registry, and all methodological aspects related to the study have been previously publishedRepresentation of the main finding of this study.