title: Reply.
authors.affiliation: *Department of Ophthalmology and Visual Science, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea †Catholic Institute for Visual Science, College of Medicine, The Catholic University of Korea, Seoul, Korea.
authors.forename: Sung A
authors.initials: SA
authors.lastname: Lim
authors.forename: So-Hyang
authors.initials: SH
authors.lastname: Chung
mesh_terms: D015415:Biomarkers / Q000097:blood*; D005260:Female; D006801:Humans; D007638:Keratoconjunctivitis Sicca / Q000097:blood*; D008297:Male; D012859:Sjogren's Syndrome / Q000097:blood*
chemical_list: D015415:Biomarkers