| Arrival | Departure | Home | Projects |
| 04.07.2005 | 08.07.2005 | University of Leiden, Mathematical Institut, Netherlands | B1 |
| 02.02.2006 | 07.02.2006 | University of Leiden, Mathematical Institut, Netherlands | B1 |
| 02.04.2006 | 31.05.2006 | University of Leiden, Mathematical Institut, Netherlands | B1 |
| 06.06.2006 | 06.07.2006 | University of Leiden, Mathematical Institut, Netherlands | B1 |
| 04.09.2006 | 10.11.2006 | University of Leiden, Mathematical Institut, Netherlands | B1 |
| 10.04.2007 | 14.05.2007 | University of Leiden, Mathematical Institute, Netherlands | B1 |
| 10.09.2007 | 30.11.2007 | University of Leiden, Mathematical Institute, Netherlands | B1 |
| 03.08.2009 | 10.08.2009 | University of Leiden, Mathematical Institute, Netherlands | B1 |
| 17.11.2010 | 01.12.2010 | University of Leiden, Mathematical Institute, Netherlands | A4, B1 |
| 31.07.2011 | 08.08.2011 | University of Leiden | A4, B1 |
| 06.12.2011 | 19.12.2011 | University of Leiden | B1 |
| 09.05.2012 | 23.05.2012 | University of Leiden | A4, B1 |
| 09.06.2012 | 15.06.2012 | University of Leiden | A4, B1 |
| 04.09.2012 | 11.09.2012 | University of Leiden | A4 |
| 27.11.2013 | 22.12.2013 | University of Leiden | A4 |
| 15.11.2014 | 15.12.2014 | University of Leiden | A4 |
