About the Authors

Emmanuel Lagarde

Emmanuel.lagarde@isped.u-bordeaux2.fr

Affiliation Institut National de la Santé et de la Recherche Médicale U897, Université de Bordeaux, Bordeaux, France

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Wrote the first draft of the manuscript: EL. Contributed to the writing of the manuscript: EL. Agree with the manuscript’s results and conclusions: EL. The author has read, and confirm that he meets, ICMJE criteria for authorship.