1. Georg-Speyer-Haus; Institute for Biomedical Research; Frankfurt; Germany
2. Senckenberg Institute of Pathology; Medical Centre of Goethe University; Frankfurt; Germany
3. Molecular Hemostasis and Immunodeficiencies, Department of Pediatrics; Medical Centre of Goethe University; Frankfurt; Germany
4. Division of Virology; Innsbruck Medical University; Innsbruck; Austria