About the Authors

Adriani Nikolakopoulou

Affiliation Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece

Anna Chaimani

Affiliation Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece

Areti Angeliki Veroniki

Affiliation Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece

Haris S. Vasiliadis

Affiliations Department of Orthopaedics, University of Ioannina School of Medicine, Ioannina, Greece, Molecular Cell Biology and Regenerative Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

Christopher H. Schmid

Affiliation Center for Evidence Based Medicine and Department of Biostatistics, Program in Public Health, Brown University, Providence, Rhode Island, United States of America

Georgia Salanti

gsalanti@cc.uoi.gr

Affiliation Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GS CS. Analyzed the data: AN AC AV HV. Wrote the paper: GS CS AV AN AC HV.