1. Clinical Division of Haematology and Haemostaseology; Department of Medicine I; Medical University of Vienna; Vienna Austria
2. Department of Laboratory Medicine; Medical University of Vienna; Vienna Austria
3. Center for Medical Statistics, Informatics and Intelligent Systems; Medical University of Vienna; Vienna Austria
4. Division of Haematology and Oncology; Department of Internal Medicine III; Medical University of Salzburg; Salzburg Austria
5. Department of Internal Medicine I; Clinical Centre of Klagenfurt am Woerthersee; Klagenfurt am Woerthersee Austria
6. Division of Haematology; Department of Internal Medicine; Medical University of Graz; Graz Austria