University of Freiburg - Center for Pediatrics and Adolescent Medicine, Ulm University - Department of Pediatrics and Adolescent Medicine, University of Tübingen - Children's Hospital, Heidelberg University - Department of Pediatrics I, University of Freiburg - Center for Pediatrics and Adolescent Medicine, University of Freiburg - Institute of Medical Biometry and Statistics, University of Freiburg - Center for Pediatrics and Adolescent Medicine, University of Freiburg - Institute for Immunodeficiency, University of Freiburg - Center for Pediatrics and Adolescent Medicine, University of Freiburg - Institute of Virology, University of Tübingen - NMI Natural and Medical Sciences Institute, University of Tübingen - NMI Natural and Medical Sciences Institute, Ulm University - Department of Pediatrics and Adolescent Medicine, Ulm University - Department of Pediatrics and Adolescent Medicine, Ulm University - Department of Pediatrics and Adolescent Medicine, Ulm University - Institute of Virology, Ulm University - Department of Pediatrics and Adolescent Medicine, University of Tübingen - Children's Hospital, University of Tübingen - Children's Hospital, University of Tübingen - Children's Hospital, University of Tübingen - Institute for Clinical Chemistry and Pathobiochemistry, University of Tübingen - Institute for Medical Virology and Epidemiology of Viral Diseases, Heidelberg University - Division of Child Neurology and Metabolic Disorders, Heidelberg University - Department of Pediatrics I, Heidelberg University - Department of Infectious Diseases, Heidelberg University - Department of Infectious Diseases, University of Tübingen - Children's Hospital, Ulm University - Department of Pediatrics and Adolescent Medicine, University of Freiburg - Center for Pediatrics and Adolescent Medicine, Heidelberg University - Department of Pediatrics I and University of Freiburg - Center for Pediatrics and Adolescent Medicine

University of Karlsruhe, University of Karlsruhe, University of Tübingen - Children's Hospital, Ulm University - Department of Pediatrics and Adolescent Medicine, Justus Liebig University Giessen, Justus Liebig University Giessen, Medical University Wien - Center of Paediatrics, Medical University Wien - Center of Paediatrics, University of Duisburg-Essen - University Hospital Essen, University of Duisburg-Essen - Department of Pediatrics I, Neonatology, Clinical Centre Oldenburg - Clinic for Neonatology, Clinical Centre Oldenburg - Clinic for Neonatology, Clinical Centre Oldenburg - Clinic for Neonatology, University Hospital Münster, University Hospital Münster, Ruhr University of Bochum - St. Josef-Hospital Bochum, Ruhr University of Bochum - St. Josef-Hospital Bochum, Cnopf´sche Kinderklinik - Clinic for Neonatology and Paediatric Intensive Care, Cnopf´sche Kinderklinik - Clinic for Neonatology and Paediatric Intensive Care, Klinikum Saarbrücken, University of Leipzig - University Hospital Leipzig, University of Greifswald - Department of Pediatrics, Barmherzige Brüder Hospital Regensburg, Clinical Centre Aschaffenburg-Alzenau, Medical University of Innsbruck, Ludwig Maximilian University of Munich (LMU) - Dr. von Hauner Children's Hospital, University Hospital Magdeburg, Hospital Motherhouse of the Borromäerinnen, Sana Hospital Duisburg, Evangelical Hospital Oberhausen, Westpfalz Hospital, University of Bonn - University Hospital Bonn (UKB), University Hospital Freiburg, Loschgestraße, University of Hohenheim, University of Hohenheim, University Hospital Ulm, University of Karlsruhe, University of Karlsruhe, Johannes Gutenberg University Mainz, Johannes Gutenberg University Mainz and University of Karlsruhe

University of Giessen, University of Tübingen - Children's Hospital, University Medical Center Ulm, University Medical Center Ulm, Hannover Medical School, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Hamburg - University Medical Center Hamburg-Eppendorf, University of Bern - Bern University Hospital, University of Giessen, University of Wuerzburg, Goethe University Frankfurt, Children’s Hospital, Kassel, Children’s Hospital, Muenster University Hospital, University Hospital Münster, Ruhr-University Bochum - Department of Pediatrics, University of GiessenUniversity of Giessen, Hannover Medical School, Schleswig-Holstein University - Department of Pediatrics, University of Tübingen - Children's Hospital and University Medical Center Ulm

University of Tübingen - NMI Natural and Medical Sciences Institute, University of Tübingen - Children's Hospital, University of Tübingen - Children's Hospital, University of Tübingen - Children's Hospital, University of Tübingen - Children's Hospital, University of Tübingen - Children's Hospital, University of Tübingen - Children's Hospital, University of Tübingen - NMI Natural and Medical Sciences Institute, University of Tübingen - NMI Natural and Medical Sciences Institute, University of Tübingen - NMI Natural and Medical Sciences Institute, University of Tübingen - NMI Natural and Medical Sciences Institute, University of Tübingen - NMI Natural and Medical Sciences Institute, German Cancer Research Center (DKFZ) - German Cancer Consortium (DKTK) Core Center Heidelberg, University of Tübingen - Institute for Clinical Chemistry and Pathobiochemistry, University of Tübingen - Institute for Clinical Chemistry and Pathobiochemistry, University of Tübingen - Institute for Medical Virology and Epidemiology of Viral Diseases, University of Tübingen - Institute for Medical Virology and Epidemiology of Viral Diseases, Heidelberg University - Department of Pediatrics I, Heidelberg University - Department of Pediatrics I, University of Freiburg - Center for Pediatrics and Adolescent Medicine, University of Freiburg - Center for Pediatrics and Adolescent Medicine, Ulm University - Department of Pediatrics and Adolescent Medicine, Ulm University - Department of Pediatrics and Adolescent Medicine, University of Tübingen - NMI Natural and Medical Sciences Institute, University of Tübingen - Children's Hospital, University of Tübingen - Children's Hospital and University of Tübingen - Children's Hospital