ISOS-1
Colorado, USA
July 14-16 2008
ISOS-2
Amsterdam, Netherlands
April 21-22 2009
ISOS-3
Roskilde, Denmark
October 21-29 2010
ISOS-4
Colorado, USA
December 5-6 2011
ISOS-5
Eindhoven, Netherlands
December 6-7 2012
ISOS-6
Chambery, France
December 10-12 2013
ISOS-7
Barcelona, Spain
October 6-8 2014