Funding for this research was provided by:
Ministarstvo Prosvete, Nauke i Tehnološkog Razvoja (III45005, 175005, III41002, III41022, 175061)
Received: 29 January 2017
Accepted: 16 November 2017
First Online: 18 January 2018
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Dedinje Cardiovascular Institute. Informed consent was obtained from all patients.
: Not applicable.
: The authors declare that they have no competing interests.
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