17-21 May 2010	GRSP | Session 47
7-10 Dec 2010	GRSP | Session 48
16-20 May 2011	GRSP | Session 49
18-19 Jun 2012	GTR7 | Session 10
17-20 Dec 2013	GRSP | Session 54
19-23 May 2014	GRSP | Session 55
11-14 Nov 2014	WP.29 | Session 164
8-11 Dec 2015	GRSP | Session 58
9-13 May 2016	GRSP | Session 59
13-16 Dec 2016	GRSP | Session 60
8-12 May 2017	GRSP | Session 61
27-31 May	GRSP | Session 75