1. Ilser Turkyilmaz Professor, Department of Prosthodontics, New York University College of Dentistry, New York, USA
2. Merve Benli, Department of Oral Biology, School of Dental Medicine, University of Pittsburgh, Pittsburgh, USA; Department of Prosthodontics, School of Dentistry, Istanbul University, Istanbul, Turkey
3. Sarah Yun New York University College of Dentistry, New York, USA