“…Of the 70 total included studies in this review, 18 (26%) 28,37,39,40,[43][44][45]48,52,60,68,70,73,74,77,79,96,102 were approved by local ethics boards, 19 (27%) [32][33][34]36,41,46,47,49,50,53,55,56,58,63,64,67,81,97,100 sought approval but were considered exempt, 15 (21%) 19,35,38,42,57,59,61,62,65,71,72,75,78,80,…”