1. Division of Plastic and Reconstructive Surgery; Department of Surgery; Stanford School of Medicine; Stanford CA USA
2. Department of Periodontology; Service of Odontology; Rothschild Hospital; AP-HP; Paris 7 - Denis; Diderot University; U.F.R. of Odontology; Paris France
3. Dental School University Paris Descartes Sorbonne Paris Cité; Montrouge France