1 Materno-fetal and Obstetrics Research Unit, Department Woman-Mother-Child, Lausanne University Hospital, 1011 Lausanne, Switzerland. Electronic address: david.baud@chuv.ch.
2 Division of Pediatric Infectious Diseases, David Geffen School of Medicine at UCLA, Los Angeles, CA, USA.
3 CHESS Center, The First Hospital of Lanzhou University, Lanzhou, China.
4 Aix Marseille Université, Institut de Recherche pour le Développement, Assistance Publique-Hôpitaux de Marseille, Service de Santé des Armées, Vecteurs-Infections Tropicales et Méditerranéennes, Institut Hospitalo-Universitaire-Méditerranée Infection, Marseille, France; Laboratoire Eurofins-Labazur Guyane, French Guiana, France.
5 Materno-fetal and Obstetrics Research Unit, Department Woman-Mother-Child, Lausanne University Hospital, 1011 Lausanne, Switzerland.