1. IBM Research Europe Säumerstrasse 4 Rüschlikon CH‐8803 Switzerland
2. Functional Genomics Center Zurich Winterthurerstr. 190 Zurich CH‐8057 Switzerland
3. Center for Genomics and Transcriptomics Paul‐Ehrlich‐Str. 23 72076 Tübingen Germany
4. Department of Pathology and Molecular Pathology University Hospital Zurich Schmelzbergstr. 12 Zurich CH‐8091 Switzerland