“…Emery et al [10], included two cohorts, a 3-6-year-old cohort and a 7-10 year old cohort. Schooley and Kelly [11], also included older age groups, up to 17 years as did Elwell et al [12]. Elwell et al do not specify the number of participants exposed to their multi-pronged interventions, or the number of participants of pre-school age.…”