1. M3S Empirical Software Engineering Research Unit, University of Oulu, Finland
2. Faculty of Computer Science, Dalhousie University, Canada
3. School of Computer Science, Wuhan University, China
4. Department of Computer Science, University Of Loralai, Pakistan
5. College of Computer Science and Engineering, University of Hail, Saudi Arabia
6. School of Business, University of Southern Queensland, Australia
7. Department of Information and Computer Science, King Fahd University of Petroleum and Minerals, Finland
8. Software Engineering Department, Lappeenranta-Lahti University of Technology, Finland