“…We found that 27 of the 32 studies (84.4%) [ 16 , 24 , 25 , 28 – 31 , 34 , 35 , 37 – 54 ] were published after 2010, indicating that geographic factors influencing major trauma have recently become a priority for study. Of the 32 studies, 18 studies [ 16 , 24 , 25 , 27 , 29 , 30 , 32 , 39 – 43 , 45 , 47 – 50 , 52 ] selected study subjects of all ages, eight studies [ 26 , 34 , 35 , 38 , 44 , 46 , 51 , 53 ] were adults, one [ 54 ] studied people in their 50s or older, and five [ 28 , 31 , 33 , 36 , 37 ] studied children and adolescents.…”