1. Department of Electrical Engineering, HITEC University, Taxila 47080, Pakistan
2. Department of Electrical and Computer Engineering, COMSATS University Islamabad, Attock Campus, Attock 43600, Pakistan
3. College of Information Technology, United Arab Emirates University (UAEU), Abu Dhabi 15551, United Arab Emirates
4. Research Centre for Intelligent Healthcare, Coventry University, Coventry CV1 5FB, UK
5. School of Electronic Engineering and Computer Science, Queen Mary University of London, London E1 4NS, UK
6. School of Electronic Engineering, Xidian University, Xi’an 710071, China
7. School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK