1. Department of Chemical & Materials Engineering, California State University, Pomona, CA, USA
2. Dipartimento di Scienze Biomediche, Odontoiatriche e delle Immagini Morfologiche e Funzionali Università degli Studi di Messina, Messina, Italy
3. CNR-IPCF, Messina, Italy
4. School of Chemistry and Physics, University of Kwazulu-Natal, Pietermaritzburg, South Africa
5. National Institute of Theoretical Physics (NIThEP), Pietermaritzburg, South Africa