About the Authors

Marianne A. B. van der Sande

To whom correspondence should be addressed. E-mail: Marianne.van.der.sande@rivm.nl

Current address: National Institute for Public Health and the Environment, Bilthoven, The Netherlands,

Affiliation Medical Research Council Laboratories, Fajara, The Gambia

Pauline A. Waight

Current address: Health Protection Agency, London, United Kingdom

Affiliation Medical Research Council Laboratories, Fajara, The Gambia

Maimuna Mendy

Affiliations Medical Research Council Laboratories, Fajara, The Gambia, Gambia Hepatitis Intervention Study, International Agency for Research on Cancer, Lyon, France

Syed Zaman

Affiliation Medical Research Council Laboratories, Fajara, The Gambia

Steve Kaye

Current address: Imperial College London, London, United Kingdom

Affiliation Medical Research Council Laboratories, Fajara, The Gambia

Omar Sam

Affiliation Department of State for Health, Banjul, The Gambia

Abi Kahn

Affiliation Department of State for Health, Banjul, The Gambia

David Jeffries

Affiliation Medical Research Council Laboratories, Fajara, The Gambia

Aveika A. Akum

Affiliation Medical Research Council Laboratories, Fajara, The Gambia

Andrew J. Hall

Affiliation London School of Hygiene and Tropical Medicine, London, United Kingdom

Ebrima Bah

Affiliation Gambia Hepatitis Intervention Study, International Agency for Research on Cancer, Lyon, France

Samuel J. McConkey

Affiliation Medical Research Council Laboratories, Fajara, The Gambia

Pierre Hainaut

Affiliation Gambia Hepatitis Intervention Study, International Agency for Research on Cancer, Lyon, France

Hilton C. Whittle

Affiliation Medical Research Council Laboratories, Fajara, The Gambia

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: PH DJ Mv SM HW AH OS. Performed the experiments: Mv PW MM SK. Analyzed the data: DJ Mv HW PW MM. Contributed reagents/materials/analysis tools: DJ SM SZ PW MM AA EB SK AK. Wrote the paper: PH Mv HW AH. Other: Designed the study: Mv. Enrolled patients: Mv. Wrote the first draft of the paper: Mv. Contributed to the writing of the paper: Mv.