“…Participant numbers for all 27 studies ranged from seven to 1158; most (n = 24) were between nine and 258, with the exception of one larger study (n = 1158) (44) . The majority of studies (n = 22) were published between the years 2009 and 2016 (23,(31)(32)(33)(34)(36)(37)(38)(40)(41)(42)(43)(44)46,48,(50)(51)(52)(53)(54)(55) . Studies were mostly conducted in Europe (n = 7) (33)(34)(35)40,41,44,52) , Canada (n = 6) (23,32,38,39,42,43) , the USA (n = 6) (22,37,45,(49)(50)(51) and Australia (n = 6) (31,36,46,47,53,54) .…”