“…Fourteen studies reported population-based data, 10–12,15,22,23,26,29,31,33,35,42,45,50 three studies reported multicenter data 36,39,60 and 43 studies reported single-center data, 13,14,16–21,24,25,27,28,30,32,34,37,38,40,41,43,44,46–49,51–59,61–69 and all, expect one small prospective single-center study on 22 women,63 were retrospective.…”