1. Department of Materials Science and Engineering, African University of Science and Technology, P.M.B. 681, Garki-Abuja, Federal Capital Territory, Nigeria
2. Department of Mechanical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, USA
3. Department of Mathematic, Physics and Computing, Moi University, P.O. Box 3900-30100, Eldoret, Kenya
4. Department of Chemistry and Biochemistry, Life Science and Engineering Center, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, USA
5. Program in Materials Science and Engineering, Department of Mechanical Engineering, Worcester Polytechnic Institute, 100 Institute Road, Worcester, Massachusetts 01609, USA
6. Department of Theoretical and Applied Physics, African University of Science and Technology, P.M.B. 681, Garki-Abuja, Federal Capital Territory, Nigeria
7. CEMHTI-CNRS Site Cyclotron, 3A rue de la férollerie, 45071 Orléans, France
8. Department of Biomedical Engineering, Worcester Polytechnic Institute, Gateway Park Life Sciences and Bioengineering Center, 60 Prescott Street, Worcester, Massachusetts 01609, USA