Funding for this research was provided by:
Slovenian Research Agency (ARRS) for the National Research Program P3-0314.
Text and Data Mining valid from 2018-08-06
Received: 22 June 2018
Accepted: 30 July 2018
First Online: 6 August 2018
Compliance with ethical standards
: All patients and controls signed a written consent form. The study was approved by the ethical approval # 99/04/15 obtained from the Slovenian National Medical Ethics Committee.