1. Proteomics Laboratory, National Center for Biotechnology, CSIC, Madrid 28049, Spain
2. Department of Chemical Physiology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
3. Department of Communications Engineering, University of the Basque Country (UPV/EHU), Bilbao 48013, Spain
4. Immunology, Centro de Investigaciones Biomédicas (CINBIO), Centro singular de Investigación de Galicia: Instituto de Investigación Sanitaria Galicia Sur (IIS-GS), University of Vigo, Campus Universitario, s/n, Vigo 36310, Spain