1. Division of Neonatology, Department of Pediatrics, School of Medicine, University of Alabama at Birmingham, Birmingham, Alabama;
2. Centre for Infectious Disease Research in Zambia, Lusaka, Zambia;
3. Department of Pediatrics, Jawaharlal Nehru Medical College, Belgaum, India;
4. Department of Pediatrics, School of Medicine, Aga Khan University, Karachi, Pakistan;
5. Department of Pediatrics and Child Health, University Teaching Hospital, Lusaka, Zambia;
6. Department of Public Health, Kinshasa School of Public Health, Kinshasa, Democratic Republic of Congo;
7. Department of Pediatrics, School of Medicine, San Carlos University, Guatemala City, Guatemala;
8. Department of Pediatrics, Sriramchandra Bhanja Medical College, Cuttack, India;
9. Institute for Clinical Effectiveness and Health Policy, Buenos Aires, Argentina;
10. Department of Statistics and Epidemiology, RTI International, Durham, North Carolina;
11. Department of Pediatrics, School of Medicine, University of Missouri, Kansas City, Missouri;
12. Department of Pediatrics, College of Medicine, Drexel University, Philadelphia, Pennsylvania;
13. Department of Pediatrics, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina;
14. Department of Pediatrics, University of Colorado Health Sciences Center, Denver, Colorado;
15. Department of Pediatrics, School of Medicine, University of Maryland, Baltimore, Maryland;
16. Department of Epidemiology, School of Public Health and Tropical Medicine, Tulane University, New Orleans, Louisiana; and
17. Center for Research for Mothers and Children, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland