Affiliation: | 1. Leiden Institute of Chemistry, Leiden University, P.O. Box 9052, 2300 RA Leiden (The Netherlands), Fax: (+31) 71‐527‐4307;2. Dept of Biopharmaceutics LACDR, Leiden University (The Netherlands);3. University of Ghent (Belgium);4. Department IHB, Leiden University Medical Center (The Netherlands);5. Department of Oncology and Hematology, St. Gallen, (Switzerland) |