1. Department of Internal Medicine I, Division of Hematology and Hemostaseology; Medical University of Vienna; Vienna Austria
2. Institute of Pathology, University of Cologne; Cologne Germany
3. Division of Hematology, Department of Internal Medicine; Medical University of Graz; Graz Austria
4. Center for Medical Statistics, Informatics, and Intelligent Systems, Medical University of Vienna; Vienna Austria
5. Department of Internal Medicine IV; Klinikum Wels-Grieskirchen; Wels Austria
6. Department of Internal Medicine I; Elisabethinen Hospital Linz; Linz Austria
7. Department of Internal Medicine 3; Hanusch Hospital; Vienna Austria
8. 5th Medical Department for Hematology and Oncology; Hospital Hietzing; Vienna Austria
9. Institute of Pathology and Microbiology, Hanusch Hospital; Vienna Austria
10. Institute of Pathology, Hospital Hietzing Vienna; Austria
11. Clinical Institute of Pathology, Medical University of Vienna; Vienna Austria
12. Institute of Pathology, Medical University of Graz; Graz Austria