1. Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, Michigan.
2. Department of Oral- and Craniomaxillofacial Surgery, Faculty of Medicine, Medical Center—University of Freiburg, Freiburg, Germany.
3. Amgen, Inc., Thousand Oaks, California.
4. Phylon Pharma Services, Newbury Park, California.
5. Department of Biomedical Engineering, College of Engineering, University of Michigan College of Engineering, Ann Arbor, Michigan.
6. Department of Cariology, Restorative Sciences, and Endodontics, School of Dentistry, University of Michigan, Ann Arbor, Michigan.