1 Department of Non-Communicable Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, United Kingdom. Electronic address: [email protected].
2 Center for Cancer Genetic Epidemiology, Department of Public Health and Primary Care, University of Cambridge, United Kingdom.
3 Center for Research on Genomics and Global Health, National Human Genome Research Institute, Bethesda, MD, USA.
4 Institute of Human Virology, Abuja, Nigeria.
5 Department of Epidemiology and Public Health, University of Maryland, Baltimore, USA.
6 National Hospital Abuja, Nigeria.
7 University of Abuja Teaching Hospital Gwagwalada, Nigeria.
8 University of Nigeria Teaching Hospital Enugu, Nigeria.
9 International Agency for Research on Cancer, Lyon, France.
10 Federal Ministry of Health, Abuja, Nigeria.
11 Institute of Human Virology, Abuja, Nigeria; Department of Epidemiology and Public Health, University of Maryland, Baltimore, USA; Marlene and Stewart Greenbaum Comprehensive Cancer Center and Institute of Human Virology, University of Maryland School of Medicine, Baltimore, MD, USA.