Baudry, A.-S.
Lelorain, S.
Mahieuxe, M.
Christophe, V.
Article History
Received: 3 February 2017
Accepted: 24 July 2017
First Online: 4 August 2017
Compliance with ethical standards
: This study was performed in accordance with the Declaration of Helsinki and was approved by the Ethics Committee of Lille University (France).
: The authors declare that they have no conflict of interest.