1. Department of Periodontology, Harvard School of Dental Medicine, Boston, MA.
2. Department of Restorative Dentistry, Harvard School of Dental Medicine, Boston, MA.
3. BioMimetic Pharmaceuticals, Inc., Setauket, NY.
4. Periodontal and Implant Research Center, Department of Oral Biology and Restorative Dentistry, School of Dental Medicine, University at Buffalo, Buffalo, NY.