Session 16 (Geneva, 14-15 January 2020)	16	2020-01-14
Session 17 (Geneva, 12-13 March 2020)	17	2020-03-12
Session 18 (Web conference, 30 April 2020)	18	2020-04-30
Session 19 (Web conference, 3-4 June 2020)	19	2020-06-03
Session 20 (Web conference, 16 June 2020)	20	2020-06-16
Session 21 (Web conference, 17 September 2020)	21	2020-09-17
Session 23 (Web conference, 10 December 2020)	23	2020-12-10