1. Swiss Institute of Bioinformatics, Biozentrum, University of Basel, Klingelbergstrasse 50/70, 4056 Basel, Switzerland
2. Department of Bioengineering and Therapeutic Sciences, Department of Pharmaceutical Chemistry, California Institute for Quantitative Biosciences (QB3), University of California at San Francisco, Byers Hall at Mission Bay, Suite 503B, 1700 4th Street, San Francisco, CA 94158-2330, USA
3. Novartis Institutes of BioMedical Research, Basel Klybeckstrasse 141, 4057 Basel, Switzerland