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Authors:
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Sandra Dittenberger
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CURE-Center for Usability Research and Engineering, Vienna, Austria
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Arjan Geven
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CURE-Center for Usability Research and Engineering, Vienna, Austria
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Manfred Tscheligi
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CURE-Center for Usability Research and Engineering, Vienna, Austria and ICT&S Center University of Salzburg, Salzburg, Austria
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Markus Mayer
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Mobilkom Austria AG, Vienna, Austria
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