About the Authors

Nikolaos Pandis

npandis@yahoo.com

Affiliations Department of Hygiene and Epidemiology, University of Ioannina School of Medicine, Ioannina, Greece, Department of Orthodontics and Dentofacial Orthopedics, Dental School/Medical Faculty, University of Bern, Bern, Switzerland

Padhraig S. Fleming

Affiliation Barts and The London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom

Helen Worthington

Affiliation Cochrane Oral Health Group, School of Dentistry, The University of Manchester, Manchester, United Kingdom

Kerry Dwan

Affiliation Institute of Translational Medicine, Department of Biostatistics, University of Liverpool, Liverpool, United Kingdom

Georgia Salanti

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: NP HW KD GS. Performed the experiments: NP PSF. Analyzed the data: NP KD GS. Contributed reagents/materials/analysis tools: N/A. Wrote the paper: NP PSF HW KD GS.