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September 2010, Hainan, China
April 2011, Marrakesh, Morocco
October 2012, Philadelphia, USA
October 2016, Samoëns, France
January 2017, Porto, Portugal
April 2017, Neuchâtel, Switzerland
May 2017, Vienna, Austria
February 2018, Qrendi, Malta
June 2018, Mont-d’Or, France
July 2018, Åneby, Norway
