“…Most of the studies were conducted in the UK (n = 8/ 32) [35,36,38,44,46,49,57,58] or in the USA (n = 8/ 32) [34,37,43,53,54,[60][61][62]. Other studies were conducted in Canada (n = 6/32) [39-41, 45, 51, 59], Netherlands (n = 1/32) [31], Norway (n = 1/32) [48], South Africa (n = 2/32) [32,33], and Sweden (n = 6/32) [42,47,50,52,55,56] (Table 1).…”