1. Center for Research in NeuroscienceResearch Institute of the McGill University Health Center Montreal Quebec Canada
2. Departament de Biologia Cel.lular, Fisiologia i ImmunologiaInstitut de Neurociències, Centro de Investigación Biomédica en Red sobre Enfermedades Neurodegenerativas (CIBERNED), Universitat Auto'noma de Barcelona Bellaterra Spain
3. Department of ChemistryUniversity of Athens, Panepistimiopolis Athens Greece
4. Chemical LaboratoriesAgricultural University of Athens Athens Greece
5. Department of Chemistry and BiochemistrySchool of Medicine, University of California–San Diego La Jolla CA USA
6. Department of Biochemistry and Molecular BiologyFaculty of Medicine, University of Tokyo Tokyo Japan