Affiliation: | 1. Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland;2. Department of Oral & Maxillofacial Surgery, Copenhagen University Hospital (Rigshospitalet), Copenhagen ?, Denmark;3. Laboratory of Oral Cell Biology, School of Dental Medicine, University of Bern, Bern, Switzerland;4. Robert K. Schenk Laboratory of Oral Histology, School of Dental Medicine, University of Bern, Bern, Switzerland |