Yazıcıoğlu, Emine http://orcid.org/0000-0001-9856-9374
Özcan, Muharrem http://orcid.org/0000-0002-3237-7043
Article History
Received: 28 July 2017
Accepted: 17 August 2018
First Online: 6 September 2018
Conflict of interest
: E. Yazıcıoğlu and M. Özcan declare that they have no competing interests.