1. Department of Nephrology, Ghent University Hospital, 9000 Ghent, Belgium
2. Department of Dermatology, Ghent University Hospital, 9000 Ghent, Belgium
3. Department of Clinical Biology, Ghent University Hospital, 9000 Ghent, Belgium
4. Department of Hematology, Ghent University Hospital, 9000 Ghent, Belgium
5. Department of Medical Oncology, Ghent University Hospital, 9000 Ghent, Belgium
6. Department of Oral, Maxillofacial and Plastic Surgery, Ghent University Hospital, 9000 Ghent, Belgium
7. Department of Head and Neck Surgery, Ghent University Hospital, 9000 Ghent, Belgium
8. Research Foundation-Flanders (FWO), 1000 Brussels, Belgium