Leben, Manca
Nolimal, Manca
Vidmar, Ivan
Grosek, Štefan
Article History
Received: 8 May 2018
Accepted: 11 July 2018
First Online: 18 July 2018
Compliance with ethical standards
: 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.
: All authors declare that they have no conflict of interest.