. 2020 Feb 21;15(2):e0229132. doi: 10.1371/journal.pone.0229132
© 2020 Okamura, Yamada
This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Fig 7. Manual rates over time.
