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. 2016 Dec 8;2:27. doi: 10.1186/s40729-016-0058-y

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© The Author(s). 2016

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.

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Fig. 2 — Change in the mean ISQ values over time. There was a statistically significant decrease in the mean ISQ values between 1 and 3 weeks (P < 0.05). The ISQ values recovered to the initial ISQ values at 4 weeks and slight increased at 6, 8, 10, and 12 weeks