Frémin, C
Guégan, J-P
Plutoni, C
Mahaffey, J
Philips, M R
Emery, G
Meloche, S
Article History
Received: 2 July 2015
Revised: 2 March 2016
Accepted: 7 March 2016
First Online: 18 April 2016
Competing interests
: The authors declare no conflict of interest.