Ogrič, Manca
Žigon, Polona
Drobne, David
Štabuc, Borut
Sodin-Semrl, Snezna
Čučnik, Saša
Praprotnik, Sonja
Article History
First Online: 19 December 2018
Compliance with ethical standards
: This study was conducted as part of the National Research Program (No. P3-0314) and has been approved by the Slovenian Ethical Committee (#99/04/15 and #38/01/16). It has therefore been performed in accordance with the ethical standards laid down in 1964 Declaration of Helsinki and its later amendments. Informed consent was obtained from all individuals included in this study.
: The authors declare that they have no conflict of interest.