15-18 Jan 2013	GRPE | Session 65
5-7 Feb 2013	GRB | Session 57
19-22 Feb 2013	GRRF | Session 74
12-15 Mar 2013	WP.29 | Session 159
15 Mar 2013	ITS | Session 21
8-11 Apr 2013	GRE | Session 69
15-19 Apr 2013	GRSG | Session 104
13-17 May 2013	GRSP | Session 53
25-28 Jun 2013	WP.29 | Session 160
12-15 Nov 2013	WP.29 | Session 161