. 2017 Aug 10;56(17):2271–2275. doi: 10.2169/internalmedicine.8723-16
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The Internal Medicine is an Open Access article distributed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. To view the details of this license, please visit (https://creativecommons.org/licenses/by-nc-nd/4.0/).
Figure.
Flow chart of the study.