May 3, 2016 to May 6, 2016 Chile, Santiago |
April 20, 2016 to April 21, 2016 Switzerland, Geneva |
April 18, 2016 to April 19, 2016 Switzerland, Geneva |
April 12, 2016 Switzerland, Geneva |
April 11, 2016 to April 12, 2016 Burkina Faso, Ouagadagou |