Dr. Sofia Balula Dias (Portugal)
Google Scholar: https://scholar.google.pt/citations?user=o6uxdKgAAAAJ&hl=en&oi=sra
Dr. Sofia Hadjileontiadou (Greece)
Google Scholar: https://scholar.google.com/citations?hl=en&user=eoHOtoYAAAAJ
Professor José Alves Diniz (Portugal)
Google Scholar: https://scholar.google.com/citations?user=M7G9c9AAAAAJ&hl=en
Professor Leontios Hadjileontiadis (Greece)
Google Scholar: https://scholar.google.com/citations?hl=en&user=OfAkcXkAAAAJ