Çelik, Ferit
Balta, Mehmet Fikret
Ercişli, Sezai
Gündoğdu, Muttalip
Karakaya, Orhan
Yaviç, Adnan
Article History
Received: 8 November 2017
Accepted: 15 February 2019
First Online: 21 March 2019
Conflict of interest
: F. Çelik, M.F. Balta, S. Ercişli, M. Gündoğdu, O. Karakaya and A. Yaviç declare that they have no competing interests.