“…Most studies were undertaken in the United States (75%; n=12; [51-56, 59-61, 63-65]), followed by Australia (n=2; [57,62]), Canada (n=1; [50]) and New Zealand (n=1; [58]). Studies included a range of ages: children (44%; n=7; [51, 53, 59-61, 64, 65]), adolescents (13%; n=2; [54,55]), adults (38%; n=6; [50,52,57,58,62,63]) and mixed sample (6%; n=1; [56]). Between 35-82% of the samples were female.…”