1. Institute of Laboratory Medicine, Clinical Chemistry and Molecular Diagnostics, University of Leipzig, Paul-List-Str., Leipzig, Germany
2. Institute of Transfusion Medicine and Clinical Hemostaseology, Klinikum St. Georg gGmbH, Delitzscher Straße, Leipzig, Germany
3. MVZ Laboratory Reising-Ackermann MD and Colleagues, Strümpellstraße, Leipzig, Germany
4. Division of Hemostaseology, University Hospital Leipzig, Liebigstraße, Leipzig, Germany
5. Medical Central Laboratory Altenburg, Am Waldessaum, Altenburg, Germany
6. Institute of Clinical Chemistry and Laboratory Medicine, Medical Faculty of Technical University, Dresden, Germany
7. Department of Paediatric Haemostaseology, University Hospital Carl Gustav Carus, Dresden, Germany