17 Jan 2012	HDH | Session 8
17-20 Jan 2012	GRPE | Session 63
13-16 Mar 2012	WP.29 | Session 156
21-23 Mar 2012	HDH | Session 9
5-8 Jun 2012	GRPE | Session 64
5 Jun 2012	HDH | Session 10
28 Sep-5 May 2015	HDH | HDH Informal Group General Files
10-12 Oct 2012	HDH | Session 11