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Koen van der Linden
I don't have enough information to summarize this event. "Koen van der Linden" appears to be a person's name, but I don't have any details about a specific event involving this individual. Could you provide more context? For example: - What type of event is it (a lecture, sports match, conference, concert)? - Where and when is it taking place? - What is Koen van der Linden's profession or role? Wi