1. Section of Periodontology; Department of Oral Health Sciences; KU Leuven and Dentistry; University Hospitals; KU Leuven; Leuven Belgium
2. OMFS-Impath Research Group; Department of Oral and Maxillofacial Surgery; University Hospitals; KU Leuven; Leuven Belgium
3. Department of Oral Implantology; University De Los Andes; Santiago Chile