[1] Univ Hosp Geneva, Dept Pediat Gynecol & Obstet, Pediat Specialties Div, Geneva, Switzerland
[2] Univ Basel, Univ Childrens Hosp Basel, Mycobacterial & Migrant Hlth Res, Basel, Switzerland
[3] Univ Basel, Dept Clin Res, Basel, Switzerland
[4] Univ Melbourne, Dept Paediat, Parkville, Vic, Australia
[5] Childrens Hosp Lucerne, Infect Dis Unit, Luzern, Switzerland
[6] Univ Fribourg, Fac Sci & Med, Dept Community Hlth, Fribourg 41, CH-1700 Fribourg, Switzerland
[7] Murdoch Childrens Res Inst, Infect Dis Res Grp, Parkville, Vic, Australia
[8] Fribourg Hosp, Dept Paediat, Fribourg, Switzerland