CAFÉ: a multicomponent audit and feedback intervention to improve implementation of healthy food policy in primary school canteens: protocol of a randomised controlled trial

od Williams, Christopher M, Nathan, Nicole, Delaney, Tessa, Yoong, Sze Lin, Wiggers, John, Preece, Sarah, Lubans, Nicole, Sutherland, Rachel, Pinfold, Jessica, Smith, Kay, Small, Tameka, Reilly, Kathryn L, Butler, Peter, Wyse, Rebecca J, Wolfenden, Luke
izdano v BMJ Open (2015)