About the Authors

Alain Origer

alain.origer@ms.etat.lu

Affiliations Drug Coordination Office, Ministry of Health, Luxembourg, Luxembourg, Research Unit INSIDE, Institute Health & Behaviour, University of Luxembourg, Walferdange, Luxembourg

Etienne Le Bihan

Affiliation Research Unit INSIDE, Institute Health & Behaviour, University of Luxembourg, Walferdange, Luxembourg

Michèle Baumann

Affiliation Research Unit INSIDE, Institute Health & Behaviour, University of Luxembourg, Walferdange, Luxembourg

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AO ELB MB. Performed the experiments: AO ELB MB. Analyzed the data: AO ELB MB. Contributed reagents/materials/analysis tools: AO ELB MB. Wrote the paper: AO ELB MB. Conceived and carried out the study, and had the main responsibility for the study and writing the manuscript: AO. Realized the statistical analysis and participated in data analysis: ELB. Participated in data analysis and in writing the manuscript: MB.