Alkan, Gözde
Yagmurlu, Bengi http://orcid.org/0000-0002-5376-1677
Cakmakoglu, Seckin
Hertel, Tobias
Kaya, Şerif
Gronen, Lars http://orcid.org/0000-0002-9957-1262
Stopic, Srecko
Friedrich, Bernd
Article History
Received: 15 January 2018
Accepted: 26 March 2018
First Online: 4 April 2018
Competing Interests
: The authors declare no competing interests.