About the Authors

Olfa Saidi

Affiliation Cardiovascular Epidemiology and Prevention Research Laboratory, Faculty of Medicine of Tunis-Tunisia, Tunis, Tunisia

Nadia Ben Mansour

Affiliation Cardiovascular Epidemiology and Prevention Research Laboratory, Faculty of Medicine of Tunis-Tunisia, Tunis, Tunisia

Martin O’Flaherty

Affiliation Department of Public Health and Policy, University of Liverpool, Liverpool, United Kingdom

Simon Capewell

Affiliation Department of Public Health and Policy, University of Liverpool, Liverpool, United Kingdom

Julia A. Critchley

Affiliation Division of Population Health Sciences and Education, St George’s, University of London, London, United Kingdom

Habiba Ben Romdhane

habibabr@yahoo.fr

Affiliation Cardiovascular Epidemiology and Prevention Research Laboratory, Faculty of Medicine of Tunis-Tunisia, Tunis, Tunisia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Obtained the funding: JC. Conceived and designed the experiments: HBR JC SC. Performed the experiments: HBR JC SC. Analyzed the data: OS MOF NBM. Contributed reagents/materials/analysis tools: OS NBM MOF SC JC HBR. Wrote the paper: OS NBM MOF SC JC HBR.