- 12-13 October 2016, Krakow, Poland
- 22 February 2016, Hamburg, Germany
- 5-6 October 2015, Copenhagen, Denmark
- 10 February 2015, Berlin, Germany
- 6-7 October 2014, Amsterdam, Netherlands
- 20 February 2014, Copenhagen, Denmark
- 19-20 September 2013, Berlin, Germany