Methods
This study received ethical approval from the New York University School of Medicine institutional review board and is reported following the Consolidated Standards of Reporting Trials (A stakeholder and community advisory board was created to inform the design and conduct of the trial and assist in the interpretation and dissemination of findings. The board consisted of 35 local health and education leaders, including representatives from the New York City Department of Health, researchers, clinicians, school principals, school nurses, teachers, and parents.