Funding for this research was provided by:
Javna Agencija za Raziskovalno Dejavnost RS (P3-0314)
Article History
Received: 19 April 2018
Revised: 11 June 2018
Accepted: 23 July 2018
First Online: 6 August 2018
Compliance with ethical standards
: This study was conducted as part of the National Research Program (#P3-0314) and has been approved by the Slovenian Ethical Committee. 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.
: None.