1. Department of Prosthodontics, University of Iowa College of Dentistry
2. Section of Restorative Dentistry, University of California Los Angeles School of Dentistry
3. Department of Restorative Dentistry & Prosthodontics, University of Texas School of Dentistry at Houston
4. University of Texas at El Paso Center for Inland Desalination Systems
5. A. T. Still University Arizona School of Dentistry & Oral Health
6. A. T. Still University Missouri School of Dentistry & Oral Health
7. Department of General Dentistry, Creighton University School of Dentistry