1. Faculty of Dental Medicine, Saint Joseph University of Beirut, Beirut, Lebanon
2. Department of Biology, Faculty of Dental Surgery, Université Félix Houphouët-Boigny, Abidjan, Ivory Coast
3. Unité de Recherche en Ingénierie Tissulaire-URIT, Université Paris 13 dénommée Université Sorbonne Paris Nord, Bobigny, France
4. Dermatology Service, Saint Louis Hospital-APHP, Paris, France
5. Biochemistry Department, Dental School, Paris Descartes University, Montrouge, France
6. Laboratoire EBInnov, Ecole de Biologie Industrielle-EBI, Cergy, France