About the Authors

Athanasios D. Protogerou

aprotog@med.uoa.gr

Affiliations First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece, Joint Academic Rheumatology Program of the National and Kapodistrian University of Athens Medical School, Athens, Greece

Jaap Fransen

Affiliation Department of Rheumatology, Radboud University Medical Center, Nijmegen, The Netherlands

Evangelia Zampeli

Affiliations First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece, Joint Academic Rheumatology Program of the National and Kapodistrian University of Athens Medical School, Athens, Greece

Antonis A. Argyris

Affiliation First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece

Evagelia Aissopou

Affiliation First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece

Aikaterini Arida

Affiliations First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece, Joint Academic Rheumatology Program of the National and Kapodistrian University of Athens Medical School, Athens, Greece

George D. Konstantonis

Affiliations First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece, Joint Academic Rheumatology Program of the National and Kapodistrian University of Athens Medical School, Athens, Greece

Nikos Tentolouris

Affiliation First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece

Konstantinos Makrilakis

Affiliation First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece

Mina Psichogiou

Affiliation First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece

George Daikos

Affiliation First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece

George D. Kitas

Affiliations Department of Rheumatology, Dudley Group NHS Foundation Trust, Dudley, United Kingdom, Arthritis Research UK Epidemiology Unit, University of Manchester, Manchester, United Kingdom

Petros P. Sfikakis

Affiliations First Department of Propaedeutic & Internal Medicine, Laikon Hospital, Athens, Greece, Joint Academic Rheumatology Program of the National and Kapodistrian University of Athens Medical School, Athens, Greece

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AP G. D. Kitas PPS JF. Performed the experiments: EZ AAA AA G. D. Konstantonis KM NT MP GD EA. Analyzed the data: AP G. D. Konstantonis G. D. Kitas PPS JF EA. Contributed reagents/materials/analysis tools: AP JF KM NT PPS MP GD. Wrote the paper: AP JF AAA EZ AA G. D. Konstantonis GD G. D. Kitas PPS KM NT MP EA.