“…27 studies [7][8][9] investigated prevalence, mainly in America, Germany, Canada, Israel, Japan, Australia, Netherlands, Denmark, China, Mali, and Brazil. 27 studies 7,12,28,[35][36][37]44,45,47,[50][51][52][53][54][55][56][57][58][59][60][61][62][63][64][65][66][67] reported the distribution of IH lesions, and 14 studies 7,12,35,[50][51][52]55,57,59,61,63,64,68,69 surveyed the occurrence of complications. Specifically, 28 studies 7,9,16,[30][31][32]…”