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Article History

Received: 21 January 2019

Accepted: 9 October 2019

First Online: 25 October 2019

Compliance with ethical standards

:

: The authors declare that they have no conflict of interest.

: The study was carried out according to the 1964 Helsinki Declaration and its later amendments or comparable ethical standards and with the ethical standards of the institutional and national research committee. The study was approved by the Institutional Ethics Committee.

: All patients participating in the study provided a written informed consent.