1. Excellence in Dentistry Research Group; American Hospital of Paris; Paris France
2. Oral Biotechnology Laboratory; Department of Surgical Sciences; University of Cagliari; Cagliari Italy
3. Oral Rehabilitation Center; American Hospital of Paris; Paris France
4. Department of Prosthetics; Bretonneaux Hospital; Paris Descartes University; Paris France
5. Department of Prosthetics; Charles Foix Hospital; Paris Descartes University; Paris France
6. Oral Rehabilitation Center; American Hospital of Paris; Neuilly sur Seine France