1. Institute of Software Engineering, University of Koblenz, Germany
2. Fraunhofer Institute for Applied Information Technology FIT, Germany and University Hospital of Cologne, Germany
3. College of Computing and Informatics, Saudi Electronic University, Kingdom of Saudi Arabia
4. Fraunhofer Institute for Applied Information Technology FIT, Germany and RWTH Aachen University, Germany
5. University of Koblenz, Germany and Fraunhofer-Institute for Software and Systems Engineering ISST, Germany