Session 42 (Geneva, 11 January 2017)	42	2017-01-11
Session 43 (Ispra, 15-16 March 2017)	43	2017-03-15
Session 44 (Web conference, 22 May 2017)	44	2017-05-22
Session 45 (Ispra, 7-8 November 2017)	45	2017-11-07