1. Physics Department, College of Science and MathematicsMindanao State University ‐ Iligan Institute of Technology Iligan Philippines
2. IRCER UMR 7315 CNRS, University of Limoges Limoges Cedex France
3. Laboratory of BiomaterialsUniversity of Modena and Reggio Emilia Modena Italy
4. Dipartimento di Ingegneria ”Enzo Ferrari” (DIEF)University of Modena and Reggio Emilia Modena Italy