title: Author's reply.
authors.affiliation: Department of Internal Medicine, Division of Nephrology, Selcuk University, Meram School of Medicine, Konya, Turkey.
authors.forename: K
authors.initials: K
authors.lastname: Turkmen
authors.affiliation: Department of Internal Medicine, Istanbul, Turkey.
authors.forename: F
authors.initials: F
authors.lastname: Tufan
authors.affiliation: Istanbul University, Istanbul School of Medicine, Department of Medico-social, Istanbul University, Istanbul School of Medicine, Istanbul, Turkey.
authors.forename: S
authors.initials: S
authors.lastname: Engin
authors.affiliation: Department of Internal Medicine, Istanbul, Turkey.
authors.forename: T
authors.initials: T
authors.lastname: Akpinar
authors.affiliation: Department of Cardiology, Istanbul, Turkey.
authors.forename: H
authors.initials: H
authors.lastname: Oflaz
authors.affiliation: Department of Nephrology, Istanbul, Turkey.
authors.forename: T
authors.initials: T
authors.lastname: Ecder