Session 1 (Web Conference, 19 December 2014)	1	2014-12-19
Session 2 (Web conference, 9 February 2015)	2	2015-02-09
Session 3 (Geneva, 10 March 2015)	3	2015-03-10
Session 4 (Berlin, 15 June 2015)	4	2015-06-15
Session 5 (Geneva, 24 June 2015)	5	2015-06-24
Session 6 (Geneva, 3 November 2015)	6	2015-11-03
Session 7 (Geneva, 11 November 2015)	7	2015-11-11
Session 8 (Geneva, 9 March 2016)	8	2016-03-09
Session 9 (Geneva, 22 June 2016)	9	2016-06-22
Session 10 (Geneva, 16 November 2016)	10	2016-11-16
Session 11 (Geneva, 16 March 2017)	11	2017-03-16
Session 12 (Geneva, 22 June 2017)	12	2017-06-22
Session 13 (Geneva, 16 November 2017)	13	2017-11-16
Session 14 (Geneva, 15 March 2018)	14	2018-03-15
Session 15 (Geneva, 21 June 2018)	15	2018-06-21