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Article History

Received: 6 February 2018

Accepted: 17 May 2018

First Online: 31 May 2018

Compliance with ethical standards

:

: Informed consent was obtained from all individual participants included in the study.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

: Christophe Moinard is shareholder in CitrageSuperscript removed. Arthur Goron has no competing interest to declare.