7 Feb 2018	PTI | Session 10
12-16 Mar 2018	WP.29 | Session 174
15 Mar 2018	ITS/AD | Session 14
19-23 Mar 2018	WP.1 | Session 76
24-27 Apr 2018	GRE | Session 79
6 Jun 2018	PTI | Session 11
18-22 Jun 2018	WP.29 | Session 175
18-21 Sep 2018	WP.1 | Session 77
23-26 Oct 2018	GRE | Session 80
12-16 Nov 2018	WP.29 | Session 176
15 Nov 2018	PTI | Session 12