Authors' response

Affiliations

• ¹ Professor, Departments of Dental Anesthesiology and Dental Public Health, School of Dental Medicine, University of Pittsburgh, Pittsburgh, PA.
• ² Manager in Scientific Information, Science Institute, American Dental Association, Chicago, IL.
• ³ Director of Scientific Information, Science Institute, American Dental Association, Chicago, IL.
• ⁴ Associate Professor, Department of Endodontics, School of Dental Medicine, Case Western Reserve University, Cleveland, OH.
• ⁵ Director, Center for Evidence-Based Dentistry, Science Institute, American Dental Association, Chicago, IL.
• ⁶ Chair, Division of Periodontology, College of Dentistry, The Ohio State University, Columbus, OH.