Affiliation: | 1. Department of Otolaryngology, Head and Neck Surgery, Philipp University, Marburg, Germany 2. Department of Pathology, Philipp University, Marburg, Germany 3. Departments of Surgery and Otolaryngology, Head and Neck Surgery, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY, USA 4. University of Udine School of Medicine, Piazzale S. Maria della Misericordia, 33100, Udine, Italy
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