Piot, J M
Royer, M
Schmidt-Tanguy, A
Hoppé, E
Gardembas, M
Bourrée, T
Hunault, M
François, S
Boyer, F
Ifrah, N
Renier, G
Chevailler, A
Audran, M
Chappard, D
Libouban, H
Mabilleau, G
Legrand, E
Bouvard, B
Article History
Received: 21 February 2015
Revised: 14 July 2015
Accepted: 23 July 2015
First Online: 28 August 2015
Competing interests
: The authors declare no conflict of interest.