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- 2019: 11-13 September, Liège, Belgium
- 2018: 6-8 June, Amsterdam, the Netherlands
- 2017: 3-5 July, Utrecht, the Netherlands
- 2016: 9-10 June, Belval, Luxembourg
- 2015: 8-9 June, Antwerp, Belgium
- 2014: 12-13 June, The Hague, The Netherlands
