1. Department of Restorative Dentistry, School of Dentistry University of Washington Seattle WA
2. Kois Center Seattle WA
3. Department of Prosthodontics Tufts University Boston MA
4. College of Dentistry Texas A&M University Dallas TX
5. Eastman Institute of Oral Health University of Rochester Medical Center Rochester NY
6. Comprehensive Dentistry Department, College of Dentistry Texas A&M University Dallas TX
7. Private Practice Lynnwood WA
8. Department of Dental Medicine, Faculty of Medicine and Dentistry University of Valencia Valencia Spain