About the Authors

Pascal Caillet

p.caillet@yahoo.fr

Affiliations Hospices Civils de Lyon, Pôle Information Médicale Evaluation Recherche, Lyon, F-69003, France, INSERM Research Unit 1033, Lyon, F-69003, France, Université Claude Bernard Lyon 1, Health Services and Performance Research Lab, Lyon, F-69003, France

Cécile Payet

Affiliations Hospices Civils de Lyon, Pôle Information Médicale Evaluation Recherche, Lyon, F-69003, France, Université Claude Bernard Lyon 1, Health Services and Performance Research Lab, Lyon, F-69003, France

Stéphanie Polazzi

Affiliations Hospices Civils de Lyon, Pôle Information Médicale Evaluation Recherche, Lyon, F-69003, France, Université Claude Bernard Lyon 1, Health Services and Performance Research Lab, Lyon, F-69003, France

Matthew J. Carty

Affiliation Center for Surgery and Public Health, Brigham and Women's Hospital - Harvard Medical School, Boston, Massachusetts, United States of America

Jean-Christophe Lifante

Affiliations Université Claude Bernard Lyon 1, Health Services and Performance Research Lab, Lyon, F-69003, France, Hospices Civils de Lyon, Centre Hospitalier Lyon Sud, Service de Chirurgie Générale et Endocrinienne, Pierre Bénite, F-69300, France

Antoine Duclos

Affiliations Hospices Civils de Lyon, Pôle Information Médicale Evaluation Recherche, Lyon, F-69003, France, Université Claude Bernard Lyon 1, Health Services and Performance Research Lab, Lyon, F-69003, France, Center for Surgery and Public Health, Brigham and Women's Hospital - Harvard Medical School, Boston, Massachusetts, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PC CP JCL MJC SP AD. Performed the experiments: PC CP SP AD. Analyzed the data: PC CP JCL MJC SP AD. Contributed reagents/materials/analysis tools: PC CP JCL MJC SP AD. Wrote the paper: PC CP JCL MJC SP AD.