[1] University Hospital of North – Norway,Department of Laboratory Medicine, Diagnostic Clinic
[2] UiT-The Arctic University of Norway,Department of Medical Biology, Faculty of Health Sciences
[3] UIT-The Arctic University of Norway,Department of Community Medicine, Faculty of Health Sciences
[4] Uit-The Arctic University of Norway,Department of Clinical Medicine, Tromsø Endocrine Research Group
[5] The Public Dental Health Service Competence Centre of Northern Norway (TkNN),undefined