| Affiliation: | 1. Prof.-Hess-Kinderklinik and Children''s Hospital of the University of Göttingen, Sankt-Jürgen-Str. 1, 28177 Bremen, Germany;2. Children''s Hospital at Municipal Hospital St. Georg Leipzig, affiliated to the University of Leipzig, Delitzscher Strasse 141, 04129 Leipzig, Germany;3. Hospital for Children and Adolescents, Medical Faculty, University of Leipzig, Liebigstrasse 20a, 04103 Leipzig, Germany;4. Department of Pediatrics, University of Padova, 35100 Padova, Italy;5. Vaccine Research Center, University of Tampere Medical School, Tampere, Finland |
