- January 8-10, 2018, Aachen, Germany
- June 26, 2017, Lisbon, Portugal
- December 9-10, 2016, Copenhagen, Denmark
- June 21, 2016, Brussels, Belgium
- December 18-19, 2015, Dublin, Ireland
- June 23, 2015, Duisburg, Germany
- December 18-19, 2014, Toulouse, France
- June 17, 2014, Rome, Italy
- June 24, 2013 London, United Kingdom
- December 6-7, 2012 Paris, France
- June 25, 2012 Copenhagen, Denmark
- December 12-13, 2011 New York, USA
- June 13, 2011 Pisa, Italy
- January 27-28, 2011 Grenoble, France
