A. Bertrand and J. , Wen had full access to all the data in the study and takes responsibility for the integrity of the data and the accuracy of the data analysis

A. Bertrand, Study concept, statistical analyses, interpretation of the results, writing the first version of the manuscript

J. Wen, Study concept, data acquisition and statistical analyses, interpretation of the results, revising the manuscript

M. Habert, data acquisition, revising the manuscript, Bertrand Supplementary Materials, vol.21

R. Levy, Study concept, interpretation of the results, revising the manuscript

B. Dubois, Study concept, interpretation of the results, revising the manuscript

A. Brice, Study concept, interpretation of the results, revising the manuscript

S. Durrleman, Study concept, interpretation of the results, revising the manuscript

O. Colliot, Study concept, interpretation of the results, revising the manuscript

I. Le-ber, Study concept, data acquisition, interpretation of the results, writing the final version of the manuscript

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