“…Table 1 showed the characteristics of the 27 studies involved in the review [ 2 , 12 , 14 , 15 , 17 – 23 , 27 – 42 ]. The included studies were published between 2002 and 2020 and distributed as follows: six in the USA [ 14 , 19 , 29 , 32 , 37 , 42 ], four in Italy [ 12 , 30 , 34 , 35 ], three in Israel [ 22 , 23 , 28 ], two studies per country, China [ 15 , 33 ],Turkey [ 2 , 21 ], Netherlands [ 38 , 41 ], UK [ 27 , 31 ],one study per country, Iran [ 17 ], Sudan [ 20 ], Japan [ 18 ]. Three studies were conducted as an international, the first in Canada, South Africa, and the USA [ 36 ], the second in nine countries in the Middle East [ 40 ], the third in 74 countries [ 39 ].…”