[1] Univ Liverpool Liverpool Sch Trop Med, Dept Clin Sci, Liverpool, Merseyside, England
[2] Univ Bristol Med Sch, Bristol, Avon, England
[3] Univ Liverpool, Dept Child Hlth, Liverpool, Merseyside, England
[4] Alder Hey Childrens Hosp, Liverpool, Merseyside, England
[5] Vauxhall Primary Hlth Care, Liverpool, Merseyside, England
[6] Sanofi SA, Paris, France
[7] York Hlth Econ Consortium, Heslington, England
[8] Univ Oxford, Oxford Vaccine Grp, Oxford, England
[9] Liverpool Univ Hosp NHS Fdn Trust, Liverpool, Merseyside, England