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Copyright (c) 2002-2008 (original work) Public Research Centre Henri Tudor & University of Luxembourg (under the project TAO & TAO2);
              2008-2010 (update and modification) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
              2009-2010 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN);