1. Department of Periodontology and Oral Surgery; Faculty of Medicine; University of Liege; Liège; Belgium
2. Department of Applied Chemistry; University of Liège; Liège; Belgium
3. Central Animals Facility; Giga-R; University of Liege; Liège; Belgium
4. INSERM, U 791; Laboratory for Osteo-articular and Dental Tissue Engineering; University of Nantes; Nantes; France