title: Authors' reply.
authors.affiliation: Department of Cardiology, Kars University Faculty of Medicine, Kars, Turkey.
authors.forename: Abdurrezzak
authors.initials: A
authors.lastname: Börekçi
authors.affiliation: Department of Cardiology, Adana Numune Training and Research Hospital, Adana, Turkey.
authors.forename: Mustafa
authors.initials: M
authors.lastname: Gür
authors.affiliation: Department of Cardiology, Biruni University Faculty of Medicine, İstanbul, Turkey. ucarhakan2005@gmail.com.
authors.forename: Hakan
authors.initials: H
authors.lastname: Uçar
authors.affiliation: Department of Cardiology, Osmaniye State Hospital, Osmaniye, Turkey.
authors.forename: Taner
authors.initials: T
authors.lastname: Şeker
authors.affiliation: Department of Cardiology, Dicle University Faculty of Medicine, Diyarbakır, Turkey.
authors.forename: Murat
authors.initials: M
authors.lastname: Çaylı