1. Department of Oral and Maxillofacial Surgery; Lithuanian University of Health Science; Kaunas Lithuania
2. Department of Clinical and Experimental Medicine; University of Varese; Varese Italy
3. Department of Periodontology and Oral Implantology; Dental Research Division; Guarulhos University; Guarulhos Sao Paulo Brazil
4. Department of Surgical and Morphological Sciences; Dental School; University of Varese; Varese Italy