- global fund fight aids tb & malaria, geneva, switzerland.5
- infect dis res collaborat, kampala, uganda.;london sch hyg & trop med, dept clin res, london, england.5
- inst pasteur, malariol dept, abidjan, cote ivoire.5
- johns hopkins sch med, baltimore, md usa.5
- karolinska inst, dept microbiol tumor & cell biol, stockholm, sweden.5
- kenya govt med res ctr, nairobi, kenya.5
- kintampo hlth res ctr, kintampo, ghana.5
- lippincott williams & wilkins5
- london sch hyg & trop med, dept dis control, london, england.5