1 Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf and German CLL Study Group, University of Cologne, Germany.
2 Department I of Internal Medicine, Center for Integrated Oncology Aachen Bonn Cologne Duesseldorf, University of Cologne, Germany.
3 Department of Internal Medicine III, Ulm University, Ulm, Germany.
4 Oncology Lerchenfeld Clinic, Hamburg, Germany.
5 Department of Medicine II, University of Schleswig-Holstein, Kiel, Germany.
6 Gemeinschaftspraxis für Hämatologie und Onkologie, Clemenshospital Münster, Düesbergweg, Germany.
7 Department of Internal Medicine I, Klinikum am Steinenberg, Reutlingen, Germany.
8 Praxis Fuer Onkologie, Saarbrücken, Germany.
9 Department of Hematology and Oncology, DIAKO Hospital Bremen, Germany.
10 Department of Medicine V, University Hospital Heidelberg, Germany.
11 Gilead Sciences, Inc., Foster City, California, USA.