. 2019 Aug 31;146(11):2968–2978. doi: 10.1002/ijc.32629
© 2019 The Authors. International Journal of Cancer published by John Wiley & Sons Ltd on behalf of UICC
This is an open access article under the terms of the http://creativecommons.org/licenses/by/4.0/ License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Flowchart of study selection.