Affiliation: | 1. Pharmaceutical Analysis, Department of Pharmacy, Toxicology and Targeting, University of Groningen, A. Deusinglaan 1, 9713 AV Groningen, the Netherlands;2. telephone: +31‐50‐363‐3337;3. fax: +31‐50‐363‐7582;4. Pharmacokinetics, Toxicology and Targeting, Department of Pharmacy, University of Groningen, Groningen, the Netherlands |