1. Department of Clinical Biochemistry, Pharmacology, and Genetics, Odense University Hospital, Odense, Denmark
2. Department of Clinical Biochemistry, Amager Hospital, Copenhagen, Denmark
3. Department of Biostatistics, Copenhagen University, Copenhagen, Denmark
4. Department of Quality and Research, Randers Regional Hospital, Randers, Denmark
5. Research Unit for General Practice, Centre of Health and Society, Copenhagen, Denmark
6. Management Division, Glostrup University Hospital, Copenhagen, Denmark