“…The included studies were published between 2003 and 2017 and reported 11 RCTs ( 34 , 35 , 41 – 45 , 47 – 50 , 52 , 53 ), 4 pilot RCTs ( 40 , 43 , 46 , 55 ), 1 experimental and control groups pre-test/post-test pilot study ( 39 ), 1 observational study ( 56 , 57 ), 1 single group pre-test and post-test pilot study ( 54 ), and 2 single-group pre-test and post-test studies ( 33 , 51 ). The countries where the included studies took place were Turkey ( 33 ), the United States of America ( 41 , 45 ), Germany ( 42 ), Switzerland ( 53 ), Belgium ( 44 ), Australia ( 34 , 43 , 54 ), Italy ( 52 ), Iran ( 35 , 39 , 50 ), United Kingdom ( 40 , 46 – 48 , 51 ), Netherlands ( 56 , 57 ), and New Zealand ( 49 , 55 ).…”