Article History
Received: 21 December 2019
First Online: 9 June 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interests.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (the National Medical Ethics Committee of the Republic of Slovenia on August 22, 2017, case No. 0120-457/2017/3) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: For this type of study formal consent is not required.