“…Studies were published between 1955 and 2019; 40 of the 84 studies were published in the past 10 years. Twenty-two studies were conducted in the United States of America (USA) [ 28 , 32 , 34 , 35 , 37 , 49 , 51 – 66 ]; 7 studies in Germany [ 26 , 29 , 67 – 71 ]; 6 studies in the United Kingdom (UK) [ 9 , 38 , 39 , 42 , 48 , 72 ] and France [ 14 , 24 , 33 , 46 , 73 , 74 ]; 5 studies in China [ 30 , 75 – 78 ]; 4 studies in India [ 27 , 79 – 81 ], Israel [ 82 – 85 ] and Japan [ 19 , 86 – 88 ]; 3 studies in Canada [ 10 , 25 , 89 ], Italy [ 90 – 92 ] and The Netherlands [ 93 – 95 ]; 2 studies in Australia [ 6 , 96 ], Korea [ 97 , 98 ], Saudi Arabia [ 99 , 100 ], Turkey [ 32 , 101 ]; 1 study in Bulgaria […”