1. Cancer Institute University of Mississippi Medical Center Jackson MS USA
2. Clinic of Operative Dentistry, Periodontology and Preventive Dentistry University Hospital of Saarland Homburg/Saar Germany
3. Department of Physiology and Biophysics University of Mississippi Medical Center Jackson MS USA
4. Department of Surgery Tulane University School of Medicine New Orleans LA USA
5. Clinic of Dermatology University Hospital of Aachen Aachen Germany
6. Institut National de la Santé et de la Recherche Médicale University of Strasbourg Strasbourg France
7. Department of Operative Dentistry and Endodontics Dental Faculty University of Strasbourg Strasbourg France
8. Department of Dermatology University of Mississippi Medical Center Jackson MS USA
9. Department of Pathology University of Mississippi Medical Center Jackson MS USA