1 Obstetrical, Perinatal and Pediatric Epidemiology Research Team, Epidemiology and Statistics Research Center, Université de Paris, INSERM, Paris, France; INSERM CIC 1413, Nantes University Hospital, Nantes, France; Department of Pediatric Emergency Care, Nantes University Hospital, Nantes, France; French Pediatric Society (SFP) and General pediatric Group, Nantes, France; Pediatric Infectious Disease Group (GPIP), Créteil, France.
2 Pediatric Infectious Disease Group (GPIP), Créteil, France; Department General Pediatrics, Centre Hospitalier de Versailles, Le Chesnay, France.
3 Pediatric Infectious Disease Group (GPIP), Créteil, France; Pediatric Emergency and Infectious Diseases Unit, Université de Lille, CHU Lille, France.
4 Association of French Primary Care Paediatrians (AFPA), Orleans, France.
5 French Society of Medico-Legal Pediatrics, CHU Rennes, France.
6 Pediatric Infectious Disease Group (GPIP), Créteil, France; Association of French Primary Care Paediatrians (AFPA), Orleans, France; Association Clinique et Thérapeutique Infantile du Val de Marne, Créteil, France; Paris Est University, IMRB-GRC GEMINI, Créteil, France. Electronic address: corinne.levy@activ-france.fr.
7 Department of Pediatric Hematology and Oncology, Schneider Children's Medical Center, Affiliated with Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
8 Department of Pediatrics, Mayanei Hayeshuah Medical Center, Bnei Brak, Affiliated with Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.
9 Italian Society of Pediatrics, Rome, Italy.
10 European Paediatric Association, Union of National European Paediatric Societies and Associations, Berlin, Germany.
11 Pediatric Infectious Disease Group (GPIP), Créteil, France; Association of French Primary Care Paediatrians (AFPA), Orleans, France; Association Clinique et Thérapeutique Infantile du Val de Marne, Créteil, France; Paris Est University, IMRB-GRC GEMINI, Créteil, France.