1. Department of Pathology, Liverpool Clinical Laboratories, Royal Liverpool University Hospital, Liverpool, UK
2. School of Dentistry, University of Liverpool, Liverpool, UK
3. Department of Pathology, Eye Pathology Section, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
4. Department of Ophthalmology, Rigshospitalet, Copenhagen University Hospital, Copenhagen, Denmark
5. Department of Pathology, Providence, Rhode Island, and Fall River, MA, USA
6. Department of Pathology and Department of Otolaryngology Head and Neck Surgery and Audiology, Rigshospitalet, Copenhagen
7. Department of Pathology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
8. Department of Pathology, Allegiance Health, Jackson, MI, USA
9. Otorhinolaryngology-Head and Neck Surgery and Department of Oncology-Section Head and Neck Oncology, University Hospitals Leuven, Leuven, Belgium
10. European Salivary Gland Society, Geneva, Switzerland
11. School of Medicine, University of Udine, Udine, Italy
12. Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands
13. Coordinator of the International Head and Neck Scientific Group, Padua, Italy