“…As shown in Table 2, eight included studies were conducted prior to 2010 [22,25,36,46,50,51,53,54], seventeen between 2010 and 2014 [23,24,27,29,31,33,38,39,41,42,43,44,45,47,55,57], and the remaining sixteen studies were conducted since 2015 [21,26,28,30,32,34,35,37,40,48,49,52,56,58,59,60]. As shown in Table 2, the 40 included studies were conducted in 20 countries—of which, 12 were conducted in Europe/United Kingdom [22,23,24,25,29,30,33,42,46,56,57,60], eleven in Scandinavia [26,27,34,35,38,39,40,41,44,…”