“…The studies included in the SLR had been conducted in cities located in Europe (31), America (eight), and Asia (six), as well as in Australia, New Zealand, and South Africa. The product categories mostly analyzed in terms of consumer behavior were dairy [29,43,54,60,63,[79][80][81][82]88,93], cereals [16,43,[54][55][56]58,68,69,73,76,80,85,88,92], sweets [16,43,54,60,63,[79][80][81][82]85,88,90,91], frozen food [16,43,[79][80][81]88], processed food [54,59,72,80,…”