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Article History

Received: 14 July 2018

Accepted: 13 December 2018

First Online: 22 January 2019

Ethics approval and consent to participate

: All volunteers who took part in this study gave their full written consent on the day of the experiment and have received the information on the protocol. This experimental setting received the approval of the Agence Régionale de Santé for experiments on healthy volunteers (N°2017–5).

: All the authors consent to the writing of this manuscript. Written informed consent was obtained from the participants for publication of their individual details and accompanying images in this manuscript. The consent form is held by the authors and is available for review by the Editor-in-chief.

: The authors declare that they have no competing interest.

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