About the Authors
- Monika H. E. Christensen
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* E-mail: monika.christensen@med.uib.no
Affiliations Institute of Medicine, University of Bergen, Bergen, Norway, Hormone Laboratory, Haukeland University Hospital, Bergen, Norway
- Ellen M. Apalset
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Affiliations Department of Rheumatology, Haukeland University Hospital, Bergen, Norway, Department of Public Health and Primary Health Care, Research Group for Lifestyle Epidemiology, University of Bergen, Bergen, Norway
- Yngve Nordbø
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Affiliation Department of Surgery, Haukeland University Hospital, Bergen, Norway
- Jan Erik Varhaug
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Affiliations Department of Surgery, Haukeland University Hospital, Bergen, Norway, Department of Surgical Science, University of Bergen, Bergen, Norway
- Gunnar Mellgren
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Affiliations Institute of Medicine, University of Bergen, Bergen, Norway, Hormone Laboratory, Haukeland University Hospital, Bergen, Norway
- Ernst A. Lien
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Affiliations Institute of Medicine, University of Bergen, Bergen, Norway, Hormone Laboratory, Haukeland University Hospital, Bergen, Norway
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: MHEC JEV GM EAL. Performed the experiments: MHEC. Analyzed the data: MHEC EMA GM EAL. Contributed reagents/materials/analysis tools: GM EAL. Wrote the paper: MHEC EMA YN JEV GM EAL.