[1] KEMRI Wellcome Trust Res Programme, Malaria Publ Hlth & Epidemiol Grp, Nairobi 00100, Kenya
[2] Univ Oxford, Nuffield Dept Clin Med, Ctr Trop Med, CCVTM, Oxford, England
[3] Boston Univ, Sch Publ Hlth, Ctr Int Hlth & Dev, Boston, MA 02118 USA
[4] Africa Reg Off, Malaria Consortium, Kampala, Uganda
[5] Univ London London Sch Hyg & Trop Med, London WC1E 7HT, England
[6] Uganda Malaria Res Ctr, Minist Hlth, Kampala, Uganda
[7] Natl Malaria Control Programme, Minist Hlth, Kampala, Uganda
[8] Head Off, Malaria Consortium, London, England
[9] Minist Hlth, Epidemiol Surveillance Div, Kampala, Uganda