“…Included studies were carried out in 14 different geographical regions and countries: the USA (n=14) [7, 8, 11, 16, 19, 21-23, 38, 42, 48, 49, 51, 55], Germany (n=6) [33-35, 43, 57, 60], Italy (n=4) [3][4][5]20], Spain (n=4) [12,17,46,47], the Netherlands (n=4) [26,32,45,59], France (n=4) [15,31,36,37], Belgium (n=3) [10,24,44], Taiwan (n=3) [13,14,29], Turkey (n=3) [18,41,50], Europe (n=2) [6,28], Switzerland (n=2) [25,58], Brazil (n=2) [40,61], Japan (n=2) [1,54], Austria (n=1) [27], Canada (n=1) [9], Portugal (n=1) [2], and Sweden (n=1) [30]. Of the 57 publications, five involved multicenter studies [6,28,30,36,37].…”