“…A total of 24,054 titles and abstracts were reviewed, of which 40 studies 30 , 31 , 32 , 33 , 34 , 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 , 56 , 57 , 58 , 59 , 60 , 61 , 62 , 63 , 64 , 65 , 66 , 67 , 68 , 69 were included in the final synthesis (see fig 1 ). Studies were published between 1986 and 2017, with a total of 7450 patients (range, 10-1250 patients) ( supplemental table S2 , available online only at http://www.archives-pmr.org/ ).…”