Session 4 (Tokyo, 22-23 January 2013)	4	2013-01-22
Session 5 (Paris, 5-6 March 2013)	5	2013-03-05
Session 6 (Paris, 20 June 2013)	6	2013-06-20
Session 7 (Paris, 13 September 2013)	7	2013-09-13
Session 8 (Bonn, 7-8 November 2013)	8	2013-11-07