1. Department of Computer Science, Munster Technological University, Münster, Ireland
2. Department of Computer Science, The University of Alabama, Tuscaloosa, AL, USA
3. Department of Computer Science, Vellore Institute of Technology, Vellore, India
4. BISITE Research Group, University of Salamanca, Salamanca, Spain
5. School of Software, Dalian University of Technology, Dalian, China
6. Department of Electronics Information and Bioengineering, Politecnico di Milano, Milan, Italy