Effectiveness of Childhood obesity interventions in children of ethnic minority in the US

Effectiveness of Childhood obesity interventions in children of ethnic minority in the US

i need to find papers for my systematic review it self but i am finding that difficult. i need 6 RCTs and longitudinal studies i.e 3 each only from the UNITED STATES ONLY and a written search strategy along with the prisma diagram show the searches included studies and excluded ones as well