Session 1 (Washington, DC, 18-20 July 2012) 1 2012-07-18
Session 2 (Berlin, 5-7 December 2012) 2 2012-12-05
Session 3 (Brussels, 16-18 April 2013) 3 2013-04-16
Session 4 (Washington, DC, 16-18 July 2013) 4 2013-07-16
Session 5 (Tokyo, 10-12 December 2013) 5 2013-12-10
Session 6 (Baltimore, 30-31 May 2018) 6 2018-05-30