About the Authors

George C. M. Siontis

Affiliation Clinical Trials and Evidence-Based Medicine Unit, Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece

Nikolaos A. Patsopoulos

Current address: Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, United States of America

Affiliation Clinical Trials and Evidence-Based Medicine Unit, Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece

Antonios P. Vlahos

Affiliation Department of Pediatrics, University of Ioannina School of Medicine, Ioannina, Greece

John P. A. Ioannidis

jioannid@cc.uoi.gr

Affiliations Clinical Trials and Evidence-Based Medicine Unit, Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece, Biomedical Research Institute, Foundation for Research and Technology-Hellas, Ioannina, Greece, Department of Medicine, Institute for Clinical Research and Health Policy Studies, Tufts University School of Medicine, Boston, Massachusetts, United States of America, Department of Epidemiology, Harvard School of Public Health, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JPAI. Analyzed the data: GCMS NAP JPAI. Wrote the paper: GCMS JPAI. Critically revised the manuscript: NAP APV.