June 2022 Milan, Italy
April 2022 Karlsruhe, Germany
June 2019 Bilbao
April 2018 Rawa Mazowiecka, Poland
April 2018 Karlsruhe, Germany
April 2016 Karlsruhe, Germany
May 2015 Gothenburg, Sweden
April 2014 Karlsruhe, Germany
September 2013 Istanbul, Turkey
March 2013 Moscow, Russia
April 2012 Karlsruhe, Germany
