About the Authors

Cécile Konrat

Affiliation INSERM U738, Paris, France

Isabelle Boutron

isabelle.boutron@htd.aphp.fr

Affiliations INSERM U738, Paris, France, Assistance Publique des Hôpitaux de Paris (AP-HP), Hôpital Hôtel Dieu, Centre d'Epidémiologie Clinique, Paris, France, Université Paris Descartes, Faculté de Médecine, Paris, France, French Cochrane Center, Paris, France

Ludovic Trinquart

Affiliations INSERM U738, Paris, France, Assistance Publique des Hôpitaux de Paris (AP-HP), Hôpital Hôtel Dieu, Centre d'Epidémiologie Clinique, Paris, France, French Cochrane Center, Paris, France

Guy-Robert Auleley

Affiliation Département de la Recherche Clinique, Institut National du Cancer (INCa), Paris, France

Philippe Ricordeau

Affiliation Caisse nationale d'assurance maladie des travailleurs salariés (CNAMTS), Paris, France

Philippe Ravaud

Affiliations INSERM U738, Paris, France, Assistance Publique des Hôpitaux de Paris (AP-HP), Hôpital Hôtel Dieu, Centre d'Epidémiologie Clinique, Paris, France, Université Paris Descartes, Faculté de Médecine, Paris, France, French Cochrane Center, Paris, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CK IB LT P. Ravaud. Analyzed the data: CK LT. Contributed reagents/materials/analysis tools: P. Ricordeau GRA. Wrote the paper: CK IB P. Ravaud LT.