Abed, Nadia
Saïd-Hassane, Fatouma
Zouhiri, Fatima
Mougin, Julie
Nicolas, Valérie
Desmaële, Didier
Gref, Ruxandra
Couvreur, Patrick
Article History
Received: 28 October 2014
Accepted: 28 July 2015
First Online: 27 August 2015
Competing interests
: The authors declare no competing financial interests.