1. Faculty of Health Science Johannesburg, Medical Research Council: Respiratory and Meningeal Pathogens Research Unit, University of the Witwatersrand, Johannesburg, South Africa
2. Department of Science/National Research Foundation: Vaccine Preventable Diseases, Faculty of Health Science, University of the Witwatersrand, Johannesburg, South Africa
3. Centro de Estudios en Infectología Pediátrica, Cali, Colombia
4. Global Clinical Sciences, Sanofi Pasteur, Montevideo, Uruguay
5. Global Clinical Sciences, Sanofi Pasteur, Swiftwater, PA, USA
6. Biostatistics Department, Sanofi Pasteur, Lyon, France
7. Global Clinical Sciences, Sanofi Pasteur, Lyon, France