1. Department of Analytical Biochemistry Groningen Research Institute of Pharmacy University of Groningen A Deusinglaan 1 9713 AV Groningen The Netherlands
2. Department of Chemical Engineering Engineering and Technology Institute Groningen University of Groningen 9747 AG Groningen The Netherlands
3. Department of Drug Design University of Groningen A Deusinglaan 1 9713 AV Groningen The Netherlands
4. Institute of Applied and Physical Chemistry and Center for Environmental Research and Sustainable Technology University Bremen Leobener Str. 6 28359 Bremen Germany