Session 1 (Zoetermeer, 20 May 2015)	1	2015-05-20
Session 2 (Brussels (tentative), 18 November 2015)	2	2015-11-18
Session 3 (Moscow, 29 February 2016)	3	2016-02-29
Session 4 (Belgrade, 23 May 2016)	4	2016-05-23
Session 5 (Bucharest, 5 September 2016)	5	2016-09-05
Session 6 (Amsterdam, 13 February 2017)	6	2017-02-13
Session 7 (Moscow, 14 June 2017)	7	2017-06-14
Session 8 (Brussels, 24 October 2017)	8	2017-10-24
Session 9 (Geneva, 16 November 2017)	9	2017-11-16
Session 10 (Brussels, 7 February 2018)	10	2018-02-07
Session 11 (Paris, 6 June 2018)	11	2018-06-06
Session 12 (Geneva, 15 November 2018)	12	2018-11-15
Session 13 (Brussels, 14 February 2019)	13	2019-02-14
Session 14 (Brussels, 28 May 2019)	14	2019-05-28
Session 15 (Schiphol, 10 September 2019)	15	2019-09-10
Session 16 (Geneva, 15 November 2019)	16	2019-11-15
Session 17 (Brussels, 13 February 2020)	17	2020-02-13
Session 19 (Web conference, 4 February 2021)	19	2021-02-04
Session 20 (Web conference, 1 March 2021)	20	2021-03-01
Session 21 (Web conference, 22 April 2021)	21	2021-04-22
Session 22 (Web conference, 17 May 2021)	22	2021-05-17
Session 23 (Web conference, 9 June 2021)	23	2021-06-09
Session 24 (Web conference, 14 October 2021)	24	2021-10-14
Session 25 (Web conference, 15 December 2021)	25	2021-12-15
Session 26 (Web conference, 15 February 2022)	26	2022-02-15
Session 27 (Web conference, 26 April 2022)	27	2022-04-26
Session 28 (Web conference, 13 July 2022)	28	2022-07-13
Session 29 (Web conference, 7 February 2023)	29	2023-02-07
Session 30 (Web conference, 1 March 2023)	30	2023-03-01
Session 31 (Geneva, 14 April 2023)	31	2023-04-14
Session 32 (Brussels, 13 June 2023)	32	2023-06-13
Session 33 (Web conference, 5 November 2023)	33	2023-11-05
Session 34 (Web conference, 13 February 2024)	34	2024-02-13