1. School of Pharmaceutical Sciences, University of Geneva and University of Lausanne, Geneva, Switzerland
2. Department of Epidemiology, Harvard T. H. Chan School of Public Health, Boston, Massachusetts, USA
3. Swiss Teratogen Information Service and Division of Clinical Pharmacology, University of Lausanne and University Hospital, Lausanne, Switzerland
4. Institute of Microbiology, Faculty of Biology and Medicine, University of Lausanne and University Hospital, Lausanne, Switzerland
5. Materno-fetal and Obstetrics Research Unit, Department Femme-Mère-Enfant, University of Lausanne and University Hospital, Lausanne, Switzerland