Funding for this research was provided by:
Hacettepe University Scientific Research Projects Coordination Unit (THD‐201610908)
Text and Data Mining valid from 2018-03-21
Received: 8 January 2018
Accepted: 9 March 2018
First Online: 21 March 2018
Compliance with ethical standards
: On behalf of all authors, the corresponding author states that there is no conflict of interest.
: The study protocol adhered to the Declaration of Helsinki Guidelines and was approved by the Ethics Committee of Hacettepe University (GO 15/662).
: Informed consent was obtained from each study participant.