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Article History

Received: 30 December 2017

Revised: 29 September 2018

Accepted: 4 October 2018

First Online: 16 October 2018

Compliance with ethical standards

:

: The authors have no competing interests.

: All procedures followed were in accordance with the ethical standards of the, responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008.

: Informed consent was obtained from all patients for being included in the study.