. 2021 May 2;112(6):2533–2541. doi: 10.1111/cas.14908
© 2021 The Authors. Cancer Science published by John Wiley & Sons Australia, Ltd on behalf of Japanese Cancer Association.
This is an open access article under the terms of the http://creativecommons.org/licenses/by-nc/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
FIGURE 1.
Inclusion and exclusion criteria of cases and controls