title: In Reply.
authors.affiliation: Department of Clinical Biochemistry and The Copenhagen General Population Study Herlev and Gentofte Hospital Herlev, Denmark Faculty of Health and Medical Sciences Copenhagen University Hospital Copenhagen, Denmark.
authors.forename: Christine L
authors.initials: CL
authors.lastname: Meyer-Olesen
authors.affiliation: Department of Clinical Biochemistry and The Copenhagen General Population Study Herlev and Gentofte Hospital Herlev, Denmark Faculty of Health and Medical Sciences Copenhagen University Hospital Copenhagen, Denmark.
authors.forename: Sune F
authors.initials: SF
authors.lastname: Nielsen
authors.affiliation: Department of Clinical Biochemistry and The Copenhagen General Population Study Herlev and Gentofte Hospital Herlev, Denmark Faculty of Health and Medical Sciences Copenhagen University Hospital Copenhagen, Denmark The Copenhagen City Heart Study Frederiksberg Hospital Copenhagen, Denmark boerge.nordestgaard@regionh.dk.
authors.forename: Børge G
authors.initials: BG
authors.lastname: Nordestgaard
mesh_terms: D005260:Female; D006801:Humans; D007075:Immunoglobulin M / Q000097:blood*; D008297:Male; D012217:Rheumatoid Factor / Q000097:blood*; D020246:Venous Thrombosis / Q000097:blood* / Q000453:epidemiology*
chemical_list: D007075:Immunoglobulin M; D012217:Rheumatoid Factor