Received: 1 March 2020
Accepted: 15 July 2020
First Online: 22 July 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee (Faculty of Medicine Osijek, No. 2158-61-07-15-77) 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.
: Not applicable.
: The authors declare that they have no competing interests.