1. Department of Innovative Technologies in Medicine & Dentistry, University “G. D’Annunzio” of Chieti-Pescara, 66100 Chieti, Italy
2. Department of Interdisciplinary Medicine, University of Bari Aldo Moro, 70121 Bari, Italy
3. Department of Dentistry, King Faisal University, P.O. Box 380, Al Hofuf 31982, Saudi Arabia
4. Department of Pre-Clinical Dentistry, School of Biomedical Sciences, Universidad Europea de Madrid, Villaviciosa de Odón, 28670 Madrid, Spain