1. Leiden University
2. Leiden Institute of Chemistry
3. Gorlaeus Laboratories
4. 2300 RA Leiden
5. The Netherlands
6. Small Molecule X-ray Crystallography Facility
7. Johns Hopkins University 3400N
8. Charles St. Baltimore
9. USA
10. University of Florence
11. Department of Chemistry
12. 50019 Sesto Fiorentino
13. Italia