Strullu, M
Thomas, C
Le Deley, M-C
Chevance, A
Kanold, J
Bertrand, Y
Jubert, C
Dalle, J-H
Paillard, C
Baruchel, A
Lamant, L
Michel, G
Brugières, L
Article History
Received: 30 August 2014
Revised: 18 January 2015
Accepted: 20 January 2015
First Online: 30 March 2015
Competing interests
: The authors declare no conflict of interest.