12-15 Jan 2021	GRPE | Session 82
1-5 Feb 2021	GRVA | Session 9
4 Feb 2021	PTI | Session 19
22 Mar 2021	PTI-WLC | Session 1
15 Apr 2021	PTI-WLC | Session 2
22 Apr 2021	PTI | Session 21
17 May 2021	PTI | Session 22
1-4 Jun 2021	GRPE | Session 83
9 Jun 2021	PTI | Session 23
22-24 Jun 2021	WP.29 | Session 184
27 Sep-1 Oct 2021	GRVA | Session 11
12-15 Oct 2021	GRSG | Session 122
12 Nov 2021	GRPE | Session 84
23-26 Nov 2021	WP.29 | Session 185
6-10 Dec 2021	GRSP | Session 70
15 Dec 2021	PTI | Session 25