MOESM1 of Biomarkers of meat and seafood intake: an extensive literature review CuparencuCătălina PraticóGiulia HemeryckLieselot Sri HarshaPedapati NoermanStefania RomboutsCaroline XiMuyao VanhaeckeLynn HanhinevaKati BrennanLorraine DragstedLars 2019 Additional file 1: TableS1. Common keywords. TableS2. Specific keywords for each food group. Figure S1. Flow diagram of study selections describing each individual food group