[1] Jhpiego, Baltimore, MD USA
[2] Jhpiego, Ouagadougou, Burkina Faso
[3] US Ctr Dis Control & Prevent, Ctr Global Hlth, Div Parasit Dis & Malaria, US Presidents Malaria Initiat Malaria Branch, Atlanta, GA USA
[4] US Agcy Int Dev, US Presidents Malaria Initiat, Washington, DC 20523 USA
[5] Minist Hlth, Natl Malaria Control Programme, Ouagadougou, Burkina Faso
[6] Johns Hopkins Univ, Johns Hopkins Bloomberg Sch Publ Hlth, Baltimore, MD USA