1. National Institute of Standards and Technology, Charleston, South Carolina 29412, United States
2. Bioinformatics Research Group, University of Applied Sciences Upper Austria, Softwarepark 11, 4232 Hagenberg, Austria
3. VIB-UGent Center for Medical Biotechnology, VIB, 9000 Ghent, Belgium
4. Department of Biomolecular Medicine, Faculty of Health Sciences and Medicine, Ghent University, 9000 Ghent, Belgium
5. Department of Proteomics and Signal Transduction, Max Planck Institute of Biochemistry, 82152 Martinsried, Germany
6. Institute for Systems Biology, Seattle, Washington 98109, United States
7. MSAID GmbH, 10559 Berlin, Germany
8. Science for Life Laboratory, KTH - Royal Institute of Technology, 171 21 Solna, Sweden
9. Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230 Odense, Denmark
10. Department of Biology, Brigham Young University, Provo, Utah 84602, United States
11. Institute for Mathematics and Computer Science, University of Southern Denmark, 5230 Odense, Denmark
12. MSAID GmbH, 85748 Garching, Germany
13. Medical Proteome Analysis, Center for Protein Diagnostics (ProDi), Ruhr University Bochum, 44801 Bochum, Germany
14. Medizinisches Proteom-Center, Medical Faculty, Ruhr University Bochum, 44801 Bochum, Germany
15. European Molecular Biology Laboratory, European Bioinformatics Institute (EMBL-EBI), Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SD, United Kingdom
16. Computational Mass Spectrometry, Technical University of Munich (TUM), 85354 Freising, Germany
17. Leiden University Medical Center, Postbus 9600, 2300 RC Leiden, The Netherlands