1. Department of Oral and Maxillofacial Surgery/Oral Pathology; VU University Medical Center; Amsterdam The Netherlands
2. Department of Oral and Maxillofacial Surgery; Medical Research Center; University of Oulu; Oulu Finland
3. Oulu University Hospital; Oulu Finland
4. BioMediTech; Institute of Biosciences and Medical Technology; University of Tampere; Tampere Finland
5. Department of Oral and Maxillofacial Surgery/Oral Pathology; VU University Medical Center/Academic Center for Dentistry Amsterdam (ACTA); Amsterdam The Netherlands