“…Table 2 provides an overview of the characteristics of the included studies. Of the fifteen studies, ten were conducted in the USA [14,[23][24][25][26][27][28][29][30][31], two in Australia [32,33], two in France [34,35] and one in Germany [36]. Five studies were published in each of the three time periods, from 2010 to 2013 [26,27,[32][33][34], from 2014 to 2017 [14,23,25,28,31], and from 2018 to 2021 [24,29,30,35,36], respectively.…”