1 Bey Bergman Clinics, The Hague, The Netherlands, Departments of Pathology and Medical Biology and Plastic Surgery, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands.
2 Department of Oral and Maxillofacial Surgery, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands.
3 Department of Pathology and Medical Biology, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands.
4 Bey Bergman Clinics, The Hague, The Netherlands.
5 Department of Plastic Surgery, University of Groningen and University Medical Center Groningen, Groningen, The Netherlands, Bey Bergman Clinics, Heerenveen, Zwolle, and Groningen, The Netherlands.