1. Department of Biostatistics and Informatics, Colorado School of Public Health, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
2. Department of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
3. South African Medical Research Council Vaccines and Infectious Diseases Analytics Research Unit and Department of Science and Technology/National Research Foundation South African Research Chair Initiative in Vaccine Preventable Diseases, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
4. African Leadership in Vaccinology Expertise, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa
5. Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
6. Department of Pathology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA