Text and Data Mining valid from 2019-01-24
Received: 2 December 2018
Accepted: 21 January 2019
First Online: 24 January 2019
Compliance with ethical standards
: The authors declare no conflict of interest with respect to this study.
: The study protocol was reviewed and approved by the National Medical Ethics Committee of the Republic of Slovenia on August 19, 2014, case No.# 97/08/14.
: 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.
: Informed consent was obtained from all individual participants included in the study who provided prospectively collected data.