Affiliation: | 1. Unit of Oral Surgery, Department of Medicine, Surgery, and Dentistry, S. Paolo Hospital, University of Milan, , Milan, Italy;2. Unit of Otorinolaryngology, Department of Medicine, Surgery, and Dentistry, S. Paolo Hospital, University of Milan, , Milan, Italy;3. Unit of Maxillofacial Surgery, Istituto Stomatologico Italiano, , Milan, Italy |