1. Department of Internal Medicine V (Haematology and Medical Oncology), Medical University of Innsbruck, A-6020 Innsbruck, Austria
2. Department of Medical Statistics, Informatics and Health Economics, Medical University of Innsbruck, A-6020 Innsbruck, Austria
3. Central Institute for Medical and Chemical Laboratory Diagnosis, Innsbruck Medical University Hospital, Medical University of Innsbruck, A-6020 Innsbruck, Austria
4. Department of Internal Medicine IV Nephrology and Hypertension, Medical University of Innsbruck, A-6020 Innsbruck, Austria