. 2020 Nov 26;8(12):539. doi: 10.3390/biomedicines8120539
© 2020 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 (http://creativecommons.org/licenses/by/4.0/).
Figure A1.
Flowchart for control group allocation.