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August 2011, Berlin, Germany
July 2013, Helsinki, Finland
October 2013, Greenwich, UK
May 2014, Toronto, Canada
August 2016, Chaumont, France
August 2016, Amboise, France
August 2017 Reykjavík, Iceland
June 2018, Mont-d’Or, France
July 2018, Oslo, Norway
September 2018, Lyon, France
