About the Authors

Ioannis Mitroulis

Contributed equally to this work with: Ioannis Mitroulis, Konstantinos Kambas

Affiliation First Department of Internal Medicine, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece

Konstantinos Kambas

Contributed equally to this work with: Ioannis Mitroulis, Konstantinos Kambas

Affiliation First Department of Internal Medicine, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece

Akrivi Chrysanthopoulou

Affiliation First Department of Internal Medicine, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece

Panagiotis Skendros

Affiliation First Department of Internal Medicine, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece

Eirini Apostolidou

Affiliation First Department of Internal Medicine, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece

Ioannis Kourtzelis

Affiliation First Department of Internal Medicine, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece

Georgios I. Drosos

Affiliation Department of Orthopaedic Surgery, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece

Dimitrios T. Boumpas

Affiliation Department of Rheumatology, Clinical Immunology and Allergy, University Hospital, Medical School, University of Crete, Heraklion, Greece

Konstantinos Ritis

ritis2@otenet.gr

Affiliation First Department of Internal Medicine, Democritus University of Thrace, University General Hospital of Alexandroupolis, Alexandroupolis, Greece

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: IM KK PS IK DTB KR. Performed the experiments: KK IM AC EA. Analyzed the data: IM KK AC EA. Contributed reagents/materials/analysis tools: PS GID. Wrote the paper: IM KK DTB KR.