1. Department of Otolaryngology - Head and Neck Surgery, VU University Medical Center, Amsterdam, The Netherlands
2. Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands
3. Unit of Maxillo-Facial Surgery, Department of Biomedical, Biotechnological and Translational Sciences (S.Bi.Bi.T.), University of Parma, Parma, Italy
4. COMT & Department of Life Science, University of Parma, Parma, Italy
5. Department of Otorhinolaryngology, Head and Neck Surgery, Medical Faculty Heinrich Heine University, Düsseldorf, Germany
6. Department of Mathematics, VU University Amsterdam, Amsterdam, The Netherlands
7. Department of Pathology and Laboratory Medicine, University of Parma, Parma, Italy
8. Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
9. Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
10. Department of Maxillofacial Surgery/Oral Pathology, Academic Medical Centre for Dentistry, Amsterdam, The Netherlands