Text and Data Mining valid from 2018-10-04
Received: 14 July 2018
Accepted: 27 August 2018
First Online: 4 October 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest. The authors received no financial support for the research, authorship, and/or publication of this article.
: 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. This study was approved by our Institute’s Research Ethics Committee. Date: 06.02.2018 No: 825.
: Informed consent was obtained from all individual participants included in the study.