Received: 1 March 2018
Accepted: 8 October 2018
First Online: 22 October 2018
Ethics approval and consent to participate
: The study protocol was approved by the Ethical Committee of the Kyrgyz State Medical Academy named after I.K. Akhunbaev and was conducted in accordance with the Declaration of Helsinki. All patients who participated in this study provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.
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