Kulacoglu, H.
Article History
Received: 15 April 2019
Accepted: 15 May 2019
First Online: 27 May 2019
Compliance with ethical standards
:
: The author declares no conflict of interest at all.
: For this type of study ethical approval is not necessary.
: This article does not contain any studies with human participants or animals.
: For this type of study formal consent is not required.