Events
Include expired: true
and City: Bogota or Heidelberg or Ghent or Berlin or Montreal or Hinxton or Seattle
and Organiser: dvta or Comtecmed or Conventus GmbH or IEEE Visweek
Include expired: true
and City: Bogota or Heidelberg or Ghent or Berlin or Montreal or Hinxton or Seattle
and Organiser: dvta or Comtecmed or Conventus GmbH or IEEE Visweek