[1] Fed Fluminense Univ, Lab Teaching Prevent & Control Healthcare Associa, Rua Marques Parana 303, Niteroi, RJ, Brazil
[2] Hop Univ Geneve, Serv Prevent & Controle Infect, Geneva, Switzerland
[3] Stellenbosch Univ, Div Paediat Infect Dis, Dept Paediat & Child Hlth, Cape Town, South Africa
[4] St Georges Healthcare NHS Trust, Paediat Infect Dis Res Grp, London, England
[5] St Georges Univ, London, England