About the Authors

Gia Deyab

Contributed equally to this work with: Gia Deyab, Ingrid Hokstad, Jon Elling Whist, Milada Cvancarova Småstuen, Stefan Agewall, Ivana Hollan

gyyadeyab@gmail.com.

Affiliation Department of Medical Biochemistry, Innlandet Hospital Trust, Lillehammer, Norway

Ingrid Hokstad

Contributed equally to this work with: Gia Deyab, Ingrid Hokstad, Jon Elling Whist, Milada Cvancarova Småstuen, Stefan Agewall, Ivana Hollan

Affiliation Lillehammer Hospital for Rheumatic Diseases, Lillehammer, Norway

Jon Elling Whist

Contributed equally to this work with: Gia Deyab, Ingrid Hokstad, Jon Elling Whist, Milada Cvancarova Småstuen, Stefan Agewall, Ivana Hollan

Affiliations Department of Medical Biochemistry, Innlandet Hospital Trust, Lillehammer, Norway, Department of Research, Innlandet Hospital Trust, Brumunddal, Norway

Milada Cvancarova Småstuen

Contributed equally to this work with: Gia Deyab, Ingrid Hokstad, Jon Elling Whist, Milada Cvancarova Småstuen, Stefan Agewall, Ivana Hollan

Affiliation Institution of health care—Health science PhD programme, Oslo and Akershus University College, Oslo, Norway

Stefan Agewall

Contributed equally to this work with: Gia Deyab, Ingrid Hokstad, Jon Elling Whist, Milada Cvancarova Småstuen, Stefan Agewall, Ivana Hollan

Affiliations Oslo University Hospital, Ullevål, Oslo, Norway, Institute of Clinical Sciences, University of Oslo, Oslo, Norway

Torstein Lyberg

‡ These authors also contributed equally to this work.

Affiliation Department of Medical Biochemistry, Oslo University Hospital, Ullevål, Oslo, Norway

Barbara Bottazzi

‡ These authors also contributed equally to this work.

Affiliation Humanitas Research Hospital, Rozzano, Milan, Italy

Pier Luigi Meroni

‡ These authors also contributed equally to this work.

Affiliations Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy, IRCCS Istituto Auxologico Italiano, Milan, Italy, ASST G Pini, Milan, Italy

Roberto Leone

‡ These authors also contributed equally to this work.

Affiliation Humanitas Research Hospital, Rozzano, Milan, Italy

Gunnbjorg Hjeltnes

‡ These authors also contributed equally to this work.

Affiliation Department of Medicine, Innlandet Hospital Trust, Lillehammer, Norway

Ivana Hollan

Contributed equally to this work with: Gia Deyab, Ingrid Hokstad, Jon Elling Whist, Milada Cvancarova Småstuen, Stefan Agewall, Ivana Hollan

Affiliations Lillehammer Hospital for Rheumatic Diseases, Lillehammer, Norway, Department of Research, Innlandet Hospital Trust, Brumunddal, Norway, Department of Medicine, Brigham and Women’s Hospital, Boston, United States of America, Harvard Medical School, Boston, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: GD I. Hollan I. Hokstad BB. Data curation: GD I. Hollan I. Hokstad MCS JEW. Formal analysis: GD I. Hollan MCS. Funding acquisition: I. Hollan. Investigation: GH I. Hollan GD IHokstad. Methodology: GD I. Hollan I. Hokstad JEW SA TL GH. Project administration: I. Hollan GD I. Hokstad JEW. Resources: BB, RL, PLM, GH, TL, SA, JEW, I Hollan. Supervision: I. Hollan TL SA JEW MCS. Validation: MCS. Visualization: GD. Writing – original draft: GD I. Hollan I. Hokstad. Writing – review & editing: GD I. Hollan I. Hokstad JEW MCS SA TL BB PLM GH.