1. Databionics, Computer Science, Philipps-University Marburg, Hans-Meerwein-Straße 6, 35032 Marburg, Germany
2. Department of Hematology, Oncology and Immunology, Philipps-University Marburg, Baldinger Straße, 35041 Marburg, Germany
3. Department of Internal Medicine I, University Hospital Carl Gustav Carus, 01307 Dresden, Germany