1. Radiation
Science and Technology, Delft University of Technology, Mekelweg
15, 2629 JB Delft, The Netherlands
2. Electron
Microscopy Group, Groningen Biomolecular Sciences and Biotechnology
Institute, University of Groningen, Nijenborgh 7, 9747 AG Groningen, The Netherlands
3. Department
of Chemical Engineering, Delft University of Technology, Julianalaan
136, 2628 BL Delft, The Netherlands