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 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