1. Pharma Biotech Development Penzberg; Roche Diagnostics GmbH; Penzberg, Germany
2. ProZyme, Inc.; Hayward, CA USA
3. Center for Proteomics and Metabolomics; Leiden University Medical Center; Leiden, The Netherlands
4. Division of BioAnalytical Chemistry; Department of Chemistry and Pharmaceutical Sciences; VU University Amsterdam; Amsterdam, The Netherlands