About the Authors

Michèle Baumann

michele.baumann@uni.lu

Affiliation Research Unit INSIDE, Institute Health & Behaviour, University of Luxembourg, Esch-sur-Alzette, Luxembourg

Anastase Tchicaya

Affiliation Luxembourg Institute of Socio-Economic Research (LISER), Esch-sur-Alzette, Luxembourg

Nathalie Lorentz

Affiliation Luxembourg Institute of Socio-Economic Research (LISER), Esch-sur-Alzette, Luxembourg

Etienne Le Bihan

Affiliation Research Unit INSIDE, Institute Health & Behaviour, University of Luxembourg, Esch-sur-Alzette, Luxembourg

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MB AT. Performed the experiments: MB. Analyzed the data: MB ELB. Contributed reagents/materials/analysis tools: MB AT. Wrote the paper: MB AT. Performed technical aspects of the statistical analysis: NL. Conceived the statistical analysis and wrote the results: ELB.