Funding
The Research Foundation at North Zealand Hospital, Hillerod and Ferring
Pharmaceuticals funded parts of the study. The Department of Clinical
Biochemistry at North Zealand Hospital, Hillerod and Rigshospitalet
Glostrup covered the expenses for analysis of blood samples. The funding
sources had no influence on the study design, data collection, analysis
and interpretation of data, preparation of the manuscript or decision to
submit the paper.