17 October 2023
25 August 2021
26 August, 2020, Russia
15th to 16 April, 2019 Stellenbosch, South Africa
26-27 March, 2018 Chengdu, China
October 2017, Geneva, Switzerland
April 2017, New Delhi, India
October 2016, Geneva, Switzerland
June 2016, Moscow, Russian
October 2015, Geneva, Switzerland
June 2015,Rio de Janeiro, Brazil
September 2014, Geneva, Switzerland
September 2013, Geneva, Switzerland
May 2013, Johannesburg, South Africa
October 2012, Geneva, Switzerland