Wagner, A
Simon, C
Morio, B
Dallongeville, J
Ruidavets, J B
Haas, B
Laillet, B
Cottel, D
Ferrières, J
Arveiler, D
Article History
Received: 6 April 2014
Revised: 23 August 2014
Accepted: 3 September 2014
First Online: 22 October 2014
Competing interests
: The authors declare no conflict of interest.