Perraut, Ronald
Richard, Vincent
Varela, Marie-Louise
Trape, Jean-François
Guillotte, Micheline
Tall, Adama
Toure, Aissatou
Sokhna, Cheikh
Vigan-Womas, Inès
Mercereau-Puijalon, Odile
Article History
Received: 13 August 2014
Accepted: 9 October 2014
First Online: 17 October 2014