1. The Biotechnology Centre of Oslo, University of Oslo, Oslo, Norway, Proteomics Core Facility, Oslo University Hospital-Rikshospitalet & University of Oslo, 0027 Oslo, Norway, Proteomics Core Facility, Norwegian University of Life Sciences, 1432 Ås, Norway, Proteomics Unit, Department of Biomedicine, University of Bergen, Bergen, Norway, Computational Biology Unit, Uni BCCS, University of Bergen, Norway, and NEPAF, Devonshire Building, Newcastle upon Tyne, NE1 7RU, United Kingdom