1. Division of Cardiology, Children’s National Hospital, Washington, District of Columbia;
2. Blantyre Malaria Project, Blantyre, Malawi;
3. Division of Neurology, Children’s National Hospital, Washington, District of Columbia;
4. Division of Biostatistics and Study Methodology, Children’s National Research Institute, Washington, District of Columbia;
5. School of Global and Public Health, Kamuzu University of Health Sciences, Blantyre, Malawi