| Years and Duration | Focus on | University and Department | Town | Country |
|---|---|---|---|---|
| 1994: 4 months | Mathematics | Technische Hochschule Darmstadt | Darmstadt | Germany |
| 1995-1996: 9 months | Optical Microscopy | University of Oxford, Dept. of Eng.Science, Scanning Optical Microscopy Group | Oxford | United Kingdom |
| 2001: 2 weeks | Micro-Axial Tomography | University of Heidelberg, Kirchhoff Institute of Physics, Applied Optics and Information Processing Group | Heidelberg | Germany |
| 2004: 3 months | Spectral Imaging | Lappeenranta University of Technology, Dept. of Inf.Technology, Machine Vision and Pattern Recognition Group | Lappeenranta | Finland |
| 2006: 6 weeks 2008: 2 months | Image Acquisition | University of Navarra, Centre for Applied Medical Research (CIMA), Imaging Core Facility | Pamplona | Spain |
| 2007: 1 month | Image Analysis | Uppsala University, Centre for Image Analysis | Uppsala | Sweden |