Document is current

Article History

Received: 29 May 2018

Accepted: 9 August 2018

First Online: 17 August 2018

Compliance with Ethical Standards

:

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

: 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. For this type of study formal consent is not required.

: Informed consent was obtained from all individual participants included in the study.

: Consent for publication was obtained for every individual person’s data included in the study.