[1] Lausanne Univ Hosp, Dept Woman Mother Child, Maternofetal & Obstet Res Unit, CH-1011 Lausanne, Switzerland
[2] Lausanne Univ Hosp, Dept Woman Mother Child, Clin Neonatol, Lausanne, Switzerland
[3] Univ Lausanne, Lausanne, Switzerland
[4] Lanzhou Univ, Hosp 1, CHESS Ctr, Lanzhou, Peoples R China
[5] Univ Calif Los Angeles, David Geffen Sch Med, Div Pediat Infect Dis, Los Angeles, CA 90095 USA
[6] Aix Marseille Univ, IHU Mediterranee Infect, AP HM, IRD,SSA,VITROME, Marseille, France
[7] Lab Eurofins Labazur Guyane, French Guiana, France