aStudent research committee, Mashhad University of Medical Sciences, Mashhad, Iran bDepartment of Internal Medicine, School of Medicine, Iranshahr University of Medical Sciences, Iranshahr, Iran cDepartment of Medical Microbiology, School of Medicine, Iranshahr University of Medical Sciences, Iranshahr, Iran Sponsorships or competing interests that may be relevant to content are disclosed at the end of this article. Published online ■ ■ *Corresponding author. Address: Department of Medical Microbiology, School of Medicine, Iranshahr University of Medical Sciences, Iranshahr, Iran. Tel: +98386836425. E-mail address: [email protected] (M. Keikha). This is an open access article distributed under the terms of the Creative Commons Attribution-Non Commercial License 4.0 (CCBY-NC), where it is permissible to download, share, remix, transform, and buildup the work provided it is properly cited. The work cannot be used commercially without permission from the journal. http://creativecommons.org/licenses/by-nc/4.0/
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