1. Pediatric Infectious Diseases Unit,
2. Pediatric Department, Hôpital de La Tour, Geneva, Switzerland;
3. Division of General Pediatrics, and
4. Pediatric Platform for Clinical Research, Department of Woman, Child and Adolescent Medicine, Geneva University Hospitals and Faculty of Medicine, University of Geneva, Geneva, Switzerland;
5. Primary Care Unit, University of Geneva, Geneva, Switzerland;
6. Clinique des Grangettes, Geneva, Switzerland; and
7. Division of Infectious Diseases and Laboratory of Virology, Division of Laboratory Medicine, Geneva University Hospitals and Medical School, Geneva, Switzerland