1. Department of Molecular Pathology; University Hospital Tübingen; Germany
2. Institute of Medical Immunology; Charité-Universitätsmedizin Berlin; Germany
3. Institute of Transfusion Medicine; Charité-Universitätsmedizin Berlin; Germany
4. Department of Cardiology; University Hospital Tübingen; Germany
5. Department of Visceral, Transplantation and Thoracic Surgery; Medical University Innsbruck; Austria
6. Department of Biochemistry, Microbiology and Immunology; University of Ottawa; Ontario Canada
7. Institute of Medical Microbiology and Hygiene; University of Mainz, Medical Centre, Mainz; Germany
8. University of Rijeka; School of Medicine; Croatia