Fig. 7
Forest plots of incidence studies above and below 55.6oN latitude. 39 studies [15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53] and their incidence statistics are listed individually and arranged in order of decreasing latitude, separated into 13 publications North of 55.6oN [16, 26, 28, 30, 33, 34, 36, 38,39,40, 43, 44, 50], which were exclusively Scandinavian, and 26 remaining Equatorial publications. Summary rates for the groups are noted