1 The Department of Clinical Biochemistry, Herlev Hospital, Copenhagen University Hospital, Herlev, Denmark The Copenhagen General Population Study, Herlev Hospital, Copenhagen University Hospital, Herlev, Denmark.
2 The Copenhagen General Population Study, Herlev Hospital, Copenhagen University Hospital, Herlev, Denmark The Copenhagen City Heart Study, Frederiksberg Hospital, Copenhagen University Hospital, Copenhagen, Denmark Faculty of Health and Medical Sciences, Department of Public Health, Section of Social Medicine, University of Copenhagen, Herlev, Denmark Section of Respiratory Medicine, Hvidovre Hospital, Copenhagen University Hospital, Herlev, Denmark.
3 The Department of Clinical Biochemistry, Herlev Hospital, Copenhagen University Hospital, Herlev, Denmark The Copenhagen General Population Study, Herlev Hospital, Copenhagen University Hospital, Herlev, Denmark The Copenhagen City Heart Study, Frederiksberg Hospital, Copenhagen University Hospital, Copenhagen, Denmark Faculty of Health and Medical Sciences, University of Copenhagen, Herlev, Denmark.