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Article History

Received: 20 October 2017

Accepted: 1 January 2018

First Online: 7 February 2018

Compliance with ethical standards

:

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

: The data that support the findings of this study are available from the corresponding author upon reasonable request.

: All medical professional participants consented to publish the obtained data.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.