“…Data collection systems varied within studies. The majority of articles collected information directly from packages (n = 18) [20,[27][28][29][30][31]34,35,37,41,42,45,50,51,54,55,57,61], three studies used self-reported information from foundations or manufacturers [49,53,56], two gathered information through a review of the literature [33,38], and one study had no information on data collection [40].…”