1. Cellular Therapy Unit, Venezuelan Institute for Scientific Research (IVIC), Distrito Capital, Miranda, Venezuela
2. Dentistry Department, Military Hospital Dr. Vicente Salias Sanoja, Caracas, Venezuela
3. Oral and Maxillofacial Unit, Félix Boada Clinic, Caracas, Venezuela
4. Forensic Dentistry Area, Research Institute, Faculty of Dentistry, University of Zulia, Maracaibo, Venezuela
5. Research Institute Raúl Vicenelli, Faculty of Dentistry, Central University of Venezuela, Caracas, Venezuela