1. Department of Biomedical and Dental Sciences, Morphological and Functional Images, University of Messina, Policlinico G. Martino, Via Consolare Valeria, 98100 Me, Italy
2. Oral Surgery and Implant Dentistry Department, School of Dentistry, University of Granada, Granada, Spain
3. Department of Maxillofacial Surgery, Loma Linda University, Loma Linda, CA 92354, USA
4. I. M. Sechenov First Moscow State Medical University, Institute of Dentistry, Moscow, Russia
5. Department of Neurosciences, Reproductive and Odontostomatological Sciences, University of Naples “Federico II”, Via Pansini 5, 80131 Naples, Italy