1. Pediatrics Chair, University of Medicine and Pharmacy “Carol Davila”, 37 Dionisie Lupu Street, Bucharest, Romania
2. National Institute for Mother and Child Health “Alessandrescu-Rusescu”, 120 Lacul Tei Avenue, Bucharest, Romania
3. CDPC Clinical Immunology Department, Colentina Clinical Hospital, 19-21 Stefan cel Mare Street, Bucharest, Romania
4. Clinical Research Unit RECIF (Reseau d’Epidemiologie Clinique International Francophone), 19-21 Stefan cel Mare Street, Bucharest, Romania
5. Internal Medicine Chair, University of Medicine and Pharmacy “Carol Davila”, 37 Dionisie Lupu Street, Bucharest, Romania