“…The articles included for the analyses ranged from 2003 to 2019 and were conducted in 13 different countries. The majority of the studies were conducted in the USA (n. 15) [ 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 ]; three in Iran [ 45 , 46 , 47 ] and Korea [ 8 , 48 , 49 ]; two in Canada [ 50 , 51 ] and the UK [ 52 , 53 ]; one in China [ 7 ], Belgium [ 6 ], Bulgaria [ 54 ], Hong Kong [ 55 ], Japan [ 56 ], Malaysia [ 57 ], Mexico [ 58 ], and Taiwan [ 59 ]. Considering articles’ design the majority (n. 21) was a Randomized Control Trial [ 7 , 8 , 30 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 41 , 45 , 47 , 48 , 49 , 51 , 52 , 53 , 57 ]; seven were a pre-post study [ ...…”