1. Department of General Dentistry, Eastman Institute for Oral Health; University of Rochester; Rochester NY
2. Department of Prosthetic Dental Sciences, College of Dentistry; King Saud University; Riyadh Saudi Arabia
3. Department of Engineering, Capital College; Penn State University Harrisburg; Middletown PA
4. Department of Oral Surgery and Implant Dentistry, Dental School, Johann Wolfgang Goethe; University of Frankfurt; Germany
5. Department of Periodontology, School of Dental Medicine; Stony Brook University; Stony Brook NY