Nadimpalli M, Fabre L, Yith V, Sem N, Gouali M, Delarocque-Astagneau E, Sreng N, Le Hello S; Members of the BIRDY study group (Raheliarivao BT, Randrianirina F, Herindrainy P, Andrianirina ZZ, Rakotoarimanana JFM, Garin B, Collard JM, de Lauzanne A, Borand L, Piola P, Kerléguer A, Chon T, Touch S, Tarantola A, Goyet S, Lach S, Ngo V, Vray M, Diatta M, Faye J, Ndiaye A, Richard V, Seck A, Bercion R, Sow AG, Diouf JB, Dieye PS, Sy B, Ndao B, Guillemot D, Huynh BT, Seguy M, Watier L, Youssouf AA, Padget M)