1. Department of Medicine and Surgery, School of Dentistry, University of Insubria, Via Ravasi 2, 21100 Varese, Italy
2. Department of Surgery, Medicine, Dentistry and Morphological Sciences with Transplant Surgery, Oncology and Regenerative Medicine Relevance, Unit of Dentistry & Oral-Maxillo-Facial Surgery, University of Modena and Reggio Emilia, Via del Pozzo, 41124 Modena, Italy
3. Department of Medical and Surgical Sciences and Public Health, School of Pediatric Dentistry, University of Brescia, Pl. Spedali Civili 1, 25123 Brescia, Italy