1. Department of Mechanical Engineering Technology, Doornfontein Campus, University of Johannesburg, Johannesburg, South Africa
2. Department of Physics, Osmania University, Hyderabad, India
3. Department of Mechanical Engineering, Kakatiya Institute of Technology & Science, Warangal, India
4. CAS Key Lab of Engineering Plastics, Institute of Chemistry, Chinese Academy of Sciences (CAS), Beijing, China
5. Department of Polymer Science & Technology, Sri Krishnadevaraya University, Anantapur, India