“…Ten of the 41 studies were conducted in the UK (England [5] , [24] – [26] , Scotland [27] – [30] , Wales [31] , England and Wales [32] ), eight in the USA [33] – [40] , three in Germany [41] – [43] , three in Greece [44] – [46] , two in Korea [47] , [48] and one each in Denmark [49] , Sweden [50] , Finland [51] , Norway [52] , Italy [53] , Spain [54] , Puerto Rica [55] , Australia [56] , Malaysia [57] , Mongolia [58] , South Africa [59] , India [60] , Taiwan [61] , Thailand [62] and Tehran [63] .…”