2. Professor Spiros H. Anastasiadis, Department of Chemistry, University of Crete and Institute of Electronic Structure and Laser, FORTH, Crete, Greece. http://www.iesl.forth.gr/people/person.aspx?id=102
12. Professor Peter F. Green, Department of Materials Science & Engineering, University of Michigan and National Renewable Energy Laboratory, Colorado, USA. http://www.mse.engin.umich.edu/people/pfgreen
15. Professor Jimmy W. Mays, Department of Chemistry, University of Tennessee and Center for Nanophase Materials Science, Oak Ridge National Laboratory, USA. https://www.chem.utk.edu/Faculty/jimmy
16. Professor Simone Napolitano, Department of Physics, HYPERLINK "https://scholar.google.com/citations?view_op=view_org&hl=el&org=15915718882719468052" Université Libre de Bruxelles, Belgium. http://homepages.ulb.ac.be/~snapolit/SimoneN/Welcome.html