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Article History

Received: 8 January 2018

Accepted: 29 June 2018

First Online: 4 July 2018

Ethics approval and consent to participate

: This study was conducted in compliance with the protocol of Good Clinical Practices and Declaration of Helsinki principles. In accordance with French law (Loi de Santé publique 2004 - Loi n° 2004–806 du 9 août 2004), the need for consent was deemed unnecessary and formal approval from an ethical committee was not required for this study.

: Not applicable.

: The authors declare that they have no competing interests.

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