. 2020 Apr 24;17(8):2942. doi: 10.3390/ijerph17082942
© 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 3.
Factor scores (eight samples) of PC1 and PC2.