First Author:   Giray Gozgor Istanbul Medeniyet University giray.gozgor@medeniyet.edu.tr   Unalan Street 5, Uskudar Istanbul, 34700, Turkey   +90-216-280-26-41(Phone) +90-216-280-26-41(Fax) Second Author: Ender Demir Istanbul Medeniyet University ender.demir@medeniyet.edu.tr   Istanbul, 34700, Turkey