31 Jan-4 Feb 2011	GRRF | Session 69
15-17 Feb 2011	GRB | Session 53
21-24 Jun 2011	WP.29 | Session 154
13-15 Sep 2011	GRRF | Session 71
19-21 Sep 2011	GRB | Session 54
15-18 Nov 2011	WP.29 | Session 155