Friel S, Hattersley L, Snowdon W, Thow AM, Lobstein T, Sanders D, Barquera S, Mohan S, Hawkes C, Kelly B, Kumanyika S, L’Abbe M, Lee A, Ma J, Macmullan J, Monteiro C, Neal B, Rayner M, Sacks G, Swinburn B, Vandevijvere S, Walker C, INFORMAS. Monitoring the impacts of trade agreements on food environments. Obesity Reviews 2013; 14(S1): 120-134. View abstract. View PDF.