1. Interfaculty Institute of Genetics and Functional Genomics (M.D., U.V.), Ernst-Moritz-Arndt-University D-17487 Greifswald, Germany
2. Department of Neonatology and Pediatric Intensive Care Medicine (G.F.), Ernst-Moritz-Arndt-University D-17487 Greifswald, Germany
3. Institute of Immunology and Transfusion Medicine, Department of Immunology (C.S., G.D., C.K.), Ernst-Moritz-Arndt-University D-17487 Greifswald, Germany
4. Department of Mucosal Immunity (R.G.), Helmholtz-Centre for Infection Research, D-38124 Braunschweig, Germany