1. Department of Oral and Maxillofacial Surgery/Pathology, Amsterdam UMC and Academic Centre for Dentistry Amsterdam (ACTA), Cancer Center Amsterdam Vrije Universiteit Amsterdam Amsterdam The Netherlands
2. Department of Anatomy, Faculty of Medicine Hasanuddin University Makassar Indonesia
3. Faculty of Medicine Hasanuddin University Makassar Indonesia
4. Department of Head and Neck Surgical Oncology, UMC Utrecht Cancer Center University Medical Center Utrecht Utrecht The Netherlands
5. Department of Epidemiology and Biostatistics, EMGO Institute for Health and Care Research VU University Medical Center Amsterdam The Netherlands