1. Ministry of HealthGovernment of Kenya, Nairobi, Kenya
2. The Health ServicesImplementation Research and Clinical Excellence (SIRCLE) Collaboration, Nairobi, Kenya
3. KEMRI-Wellcome Trust Research Programme Nairobi, Kenya
4. Department of Pharmacy and PhamacognosySchool of Pharmacy, University of Nairobi, Nairobi, Kenya
5. Department of Obstetrics and GynecologySchool of Medicine, University of Nairobi, Nairobi, Kenya
6. Nuffield Department of MedicineUniversity of Oxford, Oxford, United Kingdom
7. Department of PaediatricsUniversity of Oxford, Oxford, United Kingdom