1. Department of Internal Medicine V, Hematology and Oncology, Medical University of Innsbruck, Anichstrasse 35, A-6020 Innsbruck, Austria
2. Department of Anesthesiology and Critical Care Medicine, Medical University of Innsbruck, Innsbruck, Austria
3. Central Institute of Clinical and Chemical Laboratory Diagnostics, University Hospital of Innsbruck, Innsbruck, Austria
4. Department of Internal Medicine V, Hematology and Oncology, Medical University of Innsbruck, Innsbruck, Austria