1. Proteomics Unit Department of Biochemistry Institute of Chemistry Federal University of Rio de Janeiro Rio de Janeiro RJ 21941‐909 Brazil
2. Proteomics Center of Excellence Northwestern University Evanston Illinois USA
3. Instituto Pesquisa Professor Joaquim Amorim Neto (IPESQ) Campina Grande Paraíba Brazil
4. Institute of Biomedical Science Federal University of Rio de Janeiro RJ Brazil
5. Laboratory of Proteomics (LabProt) LADETEC Institute of Chemistry Federal University of Rio de Janeiro Rio de Janeiro RJ 21941‐598 Brazil