“…One included study was a systematic review, so is not included in the demographic data review here [39]. The remaining 18 studies came from seven different countries, with six coming from the United States of America [9,22,[35][36][37]40], three from Canada [25,26,33], two each from the United Kingdom [27,38], Belgium [28,29], and Australia [31,41], and one each from Egypt [34], United Arab Emirates [30], and Qatar [32]. The participant number varied by study, from nine to 4140.…”