“…The 20 included studies contained seven randomised controlled trials (RCTs) [ 33 , 34 , 35 , 36 , 37 , 38 , 39 ]. The other included studies were six controlled quasi-experimental studies [ 40 , 41 , 42 , 43 , 44 , 45 ] and seven prospective single-group intervention studies [ 46 , 47 , 48 , 49 , 50 , 51 , 52 ].…”