1. Department of Clinical Pathology, Geneva University Hospital, Geneva, Switzerland.
2. Institute of Pathology, Locarno, Switzerland.
3. Department of Radiology (Unit of Head and Neck and Maxillofacial Imaging), Geneva University Hospital, Geneva, Switzerland.
4. Department of Internal Medicine, Geneva University Hospital, Geneva, Switzerland.
5. Unilabs-Cytopath Cytology and Pathology Laboratory, Geneva, Switzerland.