1. Comprehensive Dentistry Department, College of Dentistry Texas A&M University Dallas TX
2. Restorative Dentistry Department, School of Dentistry University of Washington Seattle WA
3. Revilla Research Center Madrid Spain
4. J. Mike Walker '66 Department of Mechanical Engineering Texas A&M University College Station TX
5. Department of Prosthodontics Tufts University School of Dental Medicine Boston MA