10-14 Jan 2011	GRPE | Session 61
31 Jan-4 Feb 2011	GRRF | Session 69
15-17 Feb 2011	GRB | Session 53
8-11 Mar 2011	WP.29 | Session 153
11 Mar 2011	ITS | Session 19
28-31 Mar 2011	GRE | Session 65
16-20 May 2011	GRSP | Session 49
6-10 Jun 2011	GRPE | Session 62
21-24 Jun 2011	WP.29 | Session 154
4-6 Oct 2011	GRE | Session 66
15-18 Nov 2011	WP.29 | Session 155
6-9 Dec 2011	GRSP | Session 50