“…However, nine subjects with CDS in our study II included five females and four males, which did not agree with the previous two studies [10,24]. Further, according to case reports accumulated by our Pubmed search, 11 of 22 cases with CDS were women, challenging a female predominance in CDS [2,4,5,7,8,[10][11][12][13][14][15][16][17][18][19][20][21][22][23][24]. To confirm a female predominance in CDS, further studies, preferably with a greater number of CDS subjects, are needed.…”