1. University of Paris-Cité, Paris, France
2. Programme for Global Health, Royal Institute of International Affairs, Chatham House, London, UK
3. Spanish Association of Vaccinology, Madrid, Spain
4. Infectious Diseases Working Group, Italian Society of Neonatology, Neonatal and Pediatric Unit, P.O Oltrepò - ASST Pavia, Pavia, Italy
5. National Institute for Viral Disease Control and Prevention, Chinese Center for Diseases Control and Prevention, Beijing, People’s Republic of China
6. Pediatric Clinic, Department of Medicine and Surgery, University of Parma, Parma, Italy
7. Department of Maternal Science and Urology, Sapienza University of Rome, Rome, Italy
8. Sana Klinikum Lichtenberg, Clinic for Child and Adolescent Medicine, Academic Teaching Hospital Charité-Universitätsmedizin, Berlin, Germany