1. Private practice, Bari, Italy
2. Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milan, Italy
3. Department of System Medicine, University of Rome “Tor Vergata”, 00133, Rome, Italy
4. Department of Oral and Maxillofacial Surgery and Oral Medicine, Faculty of Odontology, Malmö University, Malmö, Sweden
5. Department of surgery and implant dentistry, University of Genova, Genova, Italy