Article History
Received: 18 May 2018
Accepted: 10 November 2018
First Online: 16 November 2018
Compliance with ethical standards
:
: The authors declare that there is no conflict of interest.
: All procedures were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and its later amendments.
: Informed consent was obtained from all patients included in the study.