“…The geographical locations of the studies were North America (n=20) 5,8,26,27,29,[32][33][34]36,37,40,42,43,46,47,51,57,67,68 , Europe (n=14) 9,11,14,23,25,30,31,39,48,5052,55,63,69 , Asia (n=9) 28,36,44,45,49,54,61,64,65 , the United Kingdom (n=5) 24,41,[58][59][60] , Oceania (n=4) 15,35,53,66 , and Latin America (n=2) 22,56 (Table 2).…”