“…Ten studies included recruits during basic military training [21, 25, 43, 44, 47, 48, 50, 52, 55, 56], while 28 included fully qualified military personnel [14, 17, 22–24, 26–42, 45, 46, 49, 51, 53, 54]. Included studies were conducted in different military branches, including the Navy [14, 22, 26, 32], Air Force [17, 23, 30, 31, 34, 40–42], Army [33, 35–38, 49, 51, 53, 54], Defense Force [46], multiple military branches [24, 26–29] and military service/basic military training [21, 25, 43, 44, 47, 48, 50, 52, 55, 56]. Twelve studies were RCTs [14, 23, 25, 30, 32, 33, 35–37, 41, 51, 52], nine studies were nonrandomized control trials or quasi-experimental studies [17, 26, 31, 43, 44, 46, 47, 50, 52], 13 studies were longitudinal studies [21, 22, 24, 28, 38–40, 45, 48, 49, 54–56], and four studies were retrospective studies […”