1. Christian Doppler Laboratory for Allergy Research; Division of Immunopathology; Department of Pathophysiology and Allergy Research; Medical University of Vienna; Vienna; Austria
2. Division of Hematology and Hemostaseology; Department of Internal Medicine I; Medical University of Vienna; Vienna; Austria
3. Division of Structural Biology; Institute of Molecular Biosciences; Karl-Franzens-University; Graz; Austria
4. Department of Blood Group Serology; Medical University of Vienna; Vienna
5. Division of Immunopathology; Department of Pathophysiology and Allergy Research; Center for Pathophysiology, Infectiology and Immunology; Medical University of Vienna; Vienna; Austria