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. 2019 Jun 3;8:93. doi: 10.1186/s13756-019-0540-4

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© The Author(s). 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 2 — Time series of compliance rates per observation day. Dots indicate the compliance rates per observation day. The observations used to calculate the compliance rates per day were conducted in the baseline phase and the post-intervention phase in 2014, and in the long-term evaluation phase in 2017. The horizontal lines represent the average of compliance rate in each phase