Article History
Received: 3 February 2018
Accepted: 25 April 2018
First Online: 12 May 2018
Compliance with ethical standards
:
: The authors declare that there are no conflicts of interest.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2008.
: Informed consent was obtained from all patients for being included in the study.