title: Re: Woodward et al.: The association between sociodemographic factors, common systemic diseases, and keratoconus: an analysis of a nationwide heath care claims database (Ophthalmology 2016;123:457-65).
authors.affiliation: Diskapi Yildirim Beyazit Training and Research Hospital, Department of Ophthalmology, Ankara, Turkey. Electronic address: mustafakosker0@gmail.com.
authors.forename: Mustafa
authors.initials: M
authors.lastname: Kosker
authors.affiliation: Diskapi Yildirim Beyazit Training and Research Hospital, Department of Ophthalmology, Ankara, Turkey.
authors.forename: Canan
authors.initials: C
authors.lastname: Gurdal
mesh_terms: D006801:Humans; D007640:Keratoconus; D009885:Ophthalmology