[1] Publ Hlth Serv Amsterdam, Dept Infect Dis, Amsterdam, Netherlands
[2] Univ Amsterdam, Amsterdam UMC, Internal Med, Amsterdam Infect & Immun AII, Amsterdam, Netherlands
[3] Stellenbosch Univ, Dept Obstet & Gynaecol, Cape Town, South Africa
[4] H Lee Moffitt Canc Ctr & Res Inst, Ctr Immunizat & Infect Res Canc, Tampa, FL USA