1. Innovation Center for Biomedical InformaticsGeorgetown University Medical CenterWashington DC
2. Protein Information ResourceGeorgetown Medical CenterWashington DC
3. European Molecular Biology LaboratoryEuropean Bioinformatics Institute, Wellcome Genome CampusHinxton United Kingdom
4. Center for Bioinformatics and Computational BiologyUniversity of DelawareNewark Delaware
5. Swiss Institute of BioinformaticsCentre Medical UniversitaireGeneva Switzerland