Alout, H
Labbé, P
Berthomieu, A
Makoundou, P
Fort, P
Pasteur, N
Weill, M
Article History
Received: 18 March 2015
Revised: 19 June 2015
Accepted: 18 August 2015
First Online: 14 October 2015
Competing interests
: The authors declare no conflict of interest.