1. Department of Clinical Biochemistry , Sygehus Sønderjylland , Hillerod , Denmark
2. Department of Clinical Biochemistry , North Zealand Hospital , Hillerod , Denmark
3. Department of Clinical Biochemistry, Oslo University Hospital , Oslo , Norway
4. The Norwegian Directorate of E-health , Oslo , Norway
5. Sullivan Nicolaides Pathology , Brisbane , Austraila
6. Equalis AB , Uppsala , Sweden