1. Molecular Systems Biology, Groningen Biomolecular Sciences and Biotechnology Institute, University of Groningen, 9747 AG Groningen, Netherlands
2. Biological Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180
3. Institute for Research in Immunology and Cancer, University of Montréal, Montréal, H3T 1J4 QC, Canada
4. Proteomics Core Facility, Biozentrum, University of Basel, 4056 Basel, Switzerland
5. Institute of Biomedicine, University of Eastern Finland, FI-70210 Kuopio, Finland