- University of Flensburg Europa-Universität Flensburg Flensburg (Germany)
- University of Gunadarma Universitas Gunadarma Depok (Indonesia)
- University of Hagen Fernuniversität in Hagen Hagen (Germany)
- University of Hamburg Universität Hamburg Hamburg (Germany)
- University of International Business Халықаралық бизнес университеті Kazakhstan
- University of Islam Malang Universitas Islam Malang Malang (Indonesia)
- University of Jambi Universitas Jambi Jambi (Indonesia)
- University of Kaiserslautern Technische Universität Kaiserslautern Kaiserslautern (Germany)
- University of Kassel Universität Kassel Kassel (Germany)
- University of Koblenz and Landau Universität Koblenz-Landau Koblenz (Germany)
- University of Luxembourg Université du Luxembourg Luxembourg (Luxembourg)
- University of Münster Westfälische Wilhelms-Universität Münster Münster (Germany)
- University of Pembangunan National Veteran East Java Universitas Pembangunan Nasional “Veteran” Jawa Timur Surabaya (Indonesia)
- University of Porto Universidade do Porto Porto (Portugal)
- University of Potsdam Universität Potsdam Potsdam (Germany)
- University of Primorska Univerza na Primorskem Koper (Slovenia)
- University of Regensburg Universität Regensburg Regensburg (Germany)
- University of Trier Universität Trier Trier (Germany)
- University of Wuppertal Bergische Universität Wuppertal Wuppertal (Germany)
- University Witten/Herdecke Universität Witten/Herdecke Witten-Herdecke (Germany)