Ayna, Mustafa
Sagheb, Keyvan
Gutwald, Ralf
Wieker, Henning
Flörke, Christian
Açil, Yahya
Wiltfang, Jörg
Gülses, Aydin
Article History
Received: 21 August 2018
Accepted: 4 June 2019
First Online: 5 July 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All the procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the Ethics Review Committee (NEAH/12.15.2015#498).
: Informed consent was obtained from all individual participants included in the study.