... These documents were published in a wide range of study disciplines, with the highest number relating to food policy or food systems (20/68) (10,15,21,25,58,60,61,(64)(65)(66)(67)(68)(73)(74)(75)83,(91)(92)(93)95). In addition, there were seven documents for each topic related to competition law (86,87,102-104,106,109), retailing (22,57,62,89,90,96,105) and governance (23,63,71,78,88,94,100); there were six sociology and political science studies (54)(55)(56)70,72,101); there were four for each topic related to business (59,(97)(98)(99), agriculture or agricultural economics (53,77,80,81) and public health (18,84,107,108); three documents were related to rural society or communities (3,52,76); there were two marketing studies (69,82); and there was one for each topic related to preventive medicine (34), international development (1), labour relations (85) and geography (79). ...