Session 1 (Bonn, 14 July 2016)	1	2016-07-14
Session 2 (Bonn, 17 January 2017)	2	2017-01-17
Session 3 (Brussels, 10 March 2017)	3	2017-03-10
Session 4 (Garching, 28 April 2017)	4	2017-04-28
Session 5 (Bonn, 23 May 2017)	5	2017-05-23
Session 6 (Unspecified, 8 November 2017)	6	2017-11-08