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Wednesday 1st June 2016 - one hour VC - starting at 15:00 UTC (17:00 CEST, 16:00 BST)
Monday 27th June 2016 - one hour VC - starting at 14:00 or 15:00 UTC (still to be decided by Doodle poll)
Friday 8th July 2016 - one hour VC - starting at 14:00 or 15:00 UTC (still to be decided by Doodle poll)