1. Departamento de Bioquímica y Biología Molecular B e Inmunología Facultad de Química Universidad de Murcia Campus de Excelencia Mare Nostrum Murcia Spain
2. Biomolecular Mass Spectrometry and Proteomics Group Bijvoet Center for Biomolecular Research and Utrecht Institute for Pharmaceutical Sciences Utrecht University Utrecht The Netherlands
3. Netherlands Proteomics Center Utrecht The Netherlands
4. Institute of Molecular Systems Biology ETH Zurich Zurich Switzerland