. 2021 May 3;13(9):2200. doi: 10.3390/cancers13092200
© 2021 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Figure 1.
Flow chart of the study population (n = 272).