. 2018 Sep 12;2(3):e024. doi: 10.1097/EE9.0000000000000024
Copyright © 2018 The Authors. Published by Wolters Kluwer Health, Inc. on behalf of Environmental Epidemiology. All rights reserved.
This is an open access article distributed under the Creative Commons Attribution License 4.0 (CCBY), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Figure 1.
Monitoring locations, colored by membership in cold-season cluster.