1. Applied Science Research Unit, Applied Science Department, University of Technology, Iraq
2. Advanced Engineering Materials and Composites Research Centre (AEMC), Department of Mechanical and Manufacturing Engineering, Universiti Putra Malaysia, Serdang, Selangor, Malaysia
3. Department of Physics and Astronomy, University of Sheffield, Sheffield, UK
4. Attocube Systems, Munich, Germany
5. School of Medicine, University of Central Lancashire, Preston, Lancashire