[1] Minist Hlth, Kinshasa, DEM REP CONGO
[2] Inst Natl Rech Biomed, Kinshasa, DEM REP CONGO
[3] WHO, Kinshasa, DEM REP CONGO
[4] Univ Laval, Quebec City, PQ, Canada
[5] WHO, Geneva, Switzerland
[6] MSF, Geneva, Switzerland
[7] MSF, Operat Ctr Brussels, Med Dept, Luxembourg, Luxembourg