Session 14 (Geneva, 9 January 2017)	14	2017-01-09
Session 15 (Web conference, 31 March 2017)	15	2017-03-31
Session 16 (Web conference, 29 May 2017)	16	2017-05-29
Session 17 (Web conference, 28 June 2017)	17	2017-06-28
Session 18 (Web conference, 29 August 2017)	18	2017-08-29
Session 19 (Web conference, 18 October 2017)	19	2017-10-18
Session 20 (Web conference, 14 November 2017)	20	2017-11-14