1. Department of Software Engineering and Artificial Intelligence, Faculty of Computer Science, Complutense University of Madrid, Madrid, Spain
2. Department of Computer Science, Department of Electrical and Computer Engineering, University of Miami, Miami, FL, USA
3. Department of Computer Science and Engineering of Systems, Polytechnic University School of Teruel, University of Zaragoza, Teruel, Spain
4. Aragón Health Research Institute, IIS Aragón, University of Zaragoza, Zaragoza, Spain