“…Multiple search methods *** 9 (20) 54,29,30,28,34,32,41,42,65,66 Outcome measure (n=45) * Number of retrieved eligible articles 27 (60) 58,62,28,46,35,45,52,57,63,64,70,26,53,51,71,41,66,54,59,43,55,68,36,50,32,38,27 Number of unique articles 8 (18) 37,39,34,44,31,65,72,47 Number of retrieved articles 7 (16) 59,61,40,31,40,42,59,67,…”