1. Department of Surgical, Oncological and Oral Sciences; University of Palermo; Palermo Italy
2. Department of Neurosciences; University of Padua; Padua Italy
3. Department of Maxillofacial Surgery; University Hospital of Padua; Padua Italy
4. Clinical Pharmacology Unit; Azienda Ospedaliera Universitaria Policlinico ‘P. Giaccone’; Palermo Italy
5. Department of Sciences for Health Promotion and Mother and Child Care ‘G. D'Alessandro’; University of Palermo; Palermo Italy
6. UCL Eastman Dental Institute; University College London; London UK
7. NIHR University College London Hospitals Biomedical Research Centre; London UK