About the Authors

Nikolai Dyrberg Loft

Roles Data curation, Formal analysis, Funding acquisition, Investigation, Methodology, Project administration, Writing – original draft, Writing – review & editing

nikolai.dyrberg.loft@regionh.dk

Affiliation Department of Dermatology and Allergy, Herlev and Gentofte Hospital, University of Copenhagen, Hellerup, Denmark

Lone Skov

Roles Data curation, Formal analysis, Funding acquisition, Methodology, Project administration, Resources, Supervision, Writing – original draft, Writing – review & editing

Affiliation Department of Dermatology and Allergy, Herlev and Gentofte Hospital, University of Copenhagen, Hellerup, Denmark

Mads Kirchheiner Rasmussen

Roles Resources, Writing – review & editing

Affiliation Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark

Robert Gniadecki

Roles Resources, Writing – review & editing

Affiliation Department of Dermatology, Bispebjerg Hospital, Copenhagen, Denmark

Tomas Norman Dam

Roles Resources, Writing – review & editing

Affiliation Dermatology Clinic, Nykoebing Falster, Denmark

Ivan Brandslund

Roles Conceptualization, Resources, Writing – review & editing

Affiliation Department of Clinical Immunology and Biochemistry, Lillebaelt Hospital, Vejle, Denmark

Hans Jürgen Hoffmann

Roles Resources, Writing – review & editing

Affiliation Institute of Clinical Medicine, Aarhus University, and Department of Respiratory Diseases and Allergy B, Aarhus University Hospital, Aarhus, Denmark

Malene Rohr Andersen

Roles Resources, Writing – review & editing

Affiliation Department of Clinical Biochemistry, Herlev and Gentofte Hospital, University of Copenhagen, Hellerup, Denmark

Ram Benny Dessau

Roles Resources, Writing – review & editing

Affiliation Department of Clinical Microbiology, Slagelse Hospital, Slagelse, Denmark

Ann Christina Bergmann

Roles Resources, Writing – review & editing

Affiliation Focused research unit for Molecular Diagnostic and Clinical Research, IRS-Center Soenderjylland, Hospital of Southern Jutland, Aabenraa, Denmark

Niels Møller Andersen

Roles Resources, Writing – review & editing

Affiliation Focused research unit for Molecular Diagnostic and Clinical Research, IRS-Center Soenderjylland, Hospital of Southern Jutland, Aabenraa, Denmark

Mikkel Kramme Abildtoft

Roles Data curation, Resources, Writing – review & editing

Affiliation Zitelab Aps, Copenhagen, Denmark

Paal Skytt Andersen

Roles Resources, Writing – review & editing

Affiliation Department of Microbiology and Infection Control, Serum Institute, Copenhagen, Denmark

Merete Lund Hetland

Roles Resources, Writing – review & editing

Affiliations Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark, The DANBIO registry and Copenhagen Center for Arthritis Research (COPECARE), Center for Rheumatology and Spine Diseases, Centre of Head and Orthopaedics, Rigshospitalet, Glostrup, Denmark

Bente Glintborg

Roles Resources, Writing – review & editing

Affiliations The DANBIO registry and Copenhagen Center for Arthritis Research (COPECARE), Center for Rheumatology and Spine Diseases, Centre of Head and Orthopaedics, Rigshospitalet, Glostrup, Denmark, Department of Rheumatology, Herlev and Gentofte Hospital, Hellerup, Denmark

Steffen Bank

Roles Resources, Writing – review & editing

Affiliation Focused research unit for Molecular Diagnostic and Clinical Research, IRS-Center Soenderjylland, Hospital of Southern Jutland, Aabenraa, Denmark

Ulla Vogel

Roles Conceptualization, Formal analysis, Methodology, Project administration, Supervision, Writing – original draft, Writing – review & editing

Affiliation National Research Centre for the Working Environment, Copenhagen, Denmark

Vibeke Andersen

Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Methodology, Project administration, Resources, Writing – original draft, Writing – review & editing

Affiliations Focused research unit for Molecular Diagnostic and Clinical Research, IRS-Center Soenderjylland, Hospital of Southern Jutland, Aabenraa, Denmark, Institute of Molecular Medicine, University of Southern Denmark, Odense, Denmark, OPEN (Odense Patient data Explorative Network), University of Southern Denmark, Odense, Denmark

Competing Interests

Dr. Skov has received consultancy and/or speaker honoraria from Abbvie, Pfizer, Janssen-Cilag, Merck Sharp & Dohme (MSD), and LEO Pharma and is a member of the advisory boards of Abbvie, Pfizer, Janssen-Cilag, MSD, Eli Lilly, Celgene, and Novartis. Dr. Rasmussen has been a paid speaker for Pfizer, AbbVie, Eli Lilly, and LEO Pharma. He has been consulting or serving on expert/advisory boards with Abbvie, Janssen-Cilag, Novartis, and Eli Lilly. He has served as investigator for Eli Lilly. Dr. Gniadecki has received consultancy and speaker honoraria from Abbvie, Janssen-Cilag, and Novartis and is a member of the advisory boards of Abbvie, Amgen, Janssen-Cilag, Eli Lilly, Celgen, Novartis, and Therakos. Dr. Dam has received compensation as a speaker and member of an advisory board for Janssen-Cilag and Abbvie. Dr. Vibeke Andersen has received compensation as a consultant and member of an advisory board for MSD and Janssen-Cilag. Dr. Glintborg has received research grants from Biogen and Abbvie. Dr. Hetland is a member of the advisory board of Celltrion and has received compensation as a speaker for Roche, Pfizer, and Biogen. MKA is employed by Zitelap Aps, which is responsible for management of the DERMBIO and DANBIO databases. This does not alter our adherence to PLOS ONE policies on sharing data and materials.