1. Ludwig Cancer Center, University of Lausanne, Epalinges CH-1066, Switzerland.
2. Department of Oncology, University Hospital of Lausanne (Centre Hospitalier Universitaire Vaudois), Lausanne CH-1011, Switzerland.
3. Bioinformatics Core Facility, SIB Swiss Institute of Bioinformatics, Lausanne CH-1015, Switzerland.
4. Service Vaudois de Transfusion Sanguine de la Croix Rouge, Epalinges CH-1066, Switzerland.