Funding for this research was provided by:
Uniwersytet Medyczny w Bialymstoku ((N/ST/ZB/17/009/2207))
Text and Data Mining valid from 2019-02-28
Received: 26 August 2018
Accepted: 31 January 2019
First Online: 28 February 2019
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All patients gave informed consent and the present project was approved by the Local Ethics Committee (R-I-002/42/2015) of the Medical University of Bialystok (Poland).
: Informed consent was obtained from all individual participants included in the study.