1. Cancer Biology Dana-Farber Cancer Institute 450 Brookline Avenue LC-3311 Boston MA 02215 USA
2. Department of Biological Chemistry and Molecular Pharmacology Harvard Medical School 240 Longwood Avenue Boston MA 02215 USA
3. Faculty of Chemistry and Pharmacy Sofia University 1 James Bourchier Blvd. 1164 Sofia Bulgarien
4. Institute of Physical Biology Heinrich-Heine-University Universitätsstr. 1 40225 Düsseldorf Deutschland
5. Institute of Biological Information Processing (IBI-7) Forschungszentrum Jülich GmbH 52425 Jülich Deutschland
6. JuStruct: Jülich Center for Structural Biology Forschungszentrum Jülich GmbH 52425 Jülich Deutschland