“…Food frequency questionnaires (FFQs) can provide an accurate, rapid and inexpensive method of dietary assessment and are frequently used in epidemiological studies. FFQs have been developed that measure intake of all nutrients (McKeown et al, 2001;Lassale et al, 2009), specific nutrients (for example, folate, Pufulete et al, 2002), food commodities (for example, fruit, vegetables, Petkeviciene et al, 2009) or dietary components (for example, quercetin, Ranka et al, 2008). However, in a number of settings, short-term dietary assessment is required.…”