1. Biomonitoring
and Sensoring, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, P.O. Box
196, 9700 AD Groningen, The Netherlands
2. Pharmaceutical
Analysis, Groningen Research Institute of Pharmacy, University of Groningen, Antonius
Deusinglaan 1, P.O. Box 196, 9700 AD Groningen, The Netherlands
3. Brains On-Line B.V., P.O. Box 4030, 9701 EA Groningen, The Netherlands