title: Authors' reply.
authors.affiliation: Department of Cardiology, İstanbul University, Institute of Cardiology, İstanbul, Turkey. dr.onurbaydar@hotmail.com.
authors.forename: Onur
authors.initials: O
authors.lastname: Baydar
authors.forename: Veysel
authors.initials: V
authors.lastname: Oktay
authors.forename: Ümit Yaşar
authors.initials: ÜY
authors.lastname: Sinan
authors.forename: Uğur
authors.initials: U
authors.lastname: Coşkun
authors.forename: Ahmet
authors.initials: A
authors.lastname: Yıldız
authors.forename: Okay
authors.initials: O
authors.lastname: Abacı
authors.forename: Tevfik
authors.initials: T
authors.lastname: Gürmen
authors.forename: İnci
authors.initials: İ
authors.lastname: Furatlı