“…The average sample size for the HIC studies were 12,355 ranging from 32 [34] to 25,2425 [30], while average sample size for the LMIC were 745,050 ranging from 490 [57] to 32,898 [51]. The studies were conducted in the following countries: United States of America (USA) (n = 17) [27,32,34,35,46,[48][49][50][59][60][61][62][63][64][65][66], Canada (n = 6) [31,36,44,[67][68][69], Brazil (n = 4) [42,51,53,54], Switzerland (n = 4) [29,37,40,43], Australia (n = 3) [70][71][72], China (n = 2) [55,58], Belgium (n = 2) [38,73], Spain (n = 2) [30,47], Denmark (n = 1) [28], Egypt (n = 1) [52], Germany (n = 1) [74], Greenland (n = 1) [75], Iceland (n = 1)…”