1. Department of Maxillofacial Surgery, Lithuanian University of Health Sciences, Kaunas, Lithuania
2. Department of Biomedical and Dental Sciences, Morphological and Functional Images, School of Dentistry University of Messina, Messina, Italy
3. Oral Surgery and Implant Dentistry Department, University of Granada, Granada, Spain
4. Periodontics and Oral Medicine at University of Michigan, MI, USA
5. Department of Dental and Oral Diseases, Lithuanian University of Health Sciences, Kaunas, Lithuania