“…Of the 27 studies, 17 (63%) were from the United States [20 records; 63%] ( 34 – 45 , 47 , 48 , 50 – 52 , 56 , 59 , 60 ), four (15% of studies; 13% of records) were from Canada ( 31 , 32 , 49 , 57 ), and six (22%) were from Australia [eight records; 19%] ( 24 , 33 , 46 , 53 – 55 , 58 , 61 ). No records (0%) from New Zealand met the final eligibility criteria.…”