1. Department of Clinical Biochemistry, Herlev and Gentofte Hospital, Herlev, Denmark
2. Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
3. Department of Orthopedic Surgery, Bispebjerg Hospital, Copenhagen, Denmark
4. Department of Clinical Biochemistry, Hvidovre Hospital, Hvidovre, Denmark
5. Odense Patient Data Explorative Network, University of Southern Denmark and Odense University Hospital, Odense, Denmark
6. Department of Clinical Biochemistry, Bispebjerg Hospital, Copenhagen, Denmark
7. Department of Medicine, Holbæk Hospital, Holbæk, Denmark