1. University of Duisburg-Essen, Germany
2. Deutsche Hochschule für Prävention und Gesundheitsmanagement (DHfPG), Germany
3. Saarland University, Saarland Informatics Campus, Germany and German Research Center for Artificial Intelligence (DFKI), Saarland Informatics Campus, Germany
4. German Research Center for Artificial Intelligence (DFKI), Saarland Informatics Campus, Germany