1. Department of Periodontics & Oral Medicine; University of Michigan School of Dentistry; Ann Arbor MI USA
2. University of Michigan School of Dentistry; Ann Arbor MI USA
3. Department of Cariology; Restorative Sciences & Endodontics; University of Michigan School of Dentistry; Ann Arbor MI USA
4. Department of Oral and Maxillofacial Surgery/Hospital Dentistry; University of Michigan School of Dentistry; Ann Arbor MI USA