1. Richard Niederman and Shulamite S. Huang are with the Department of Epidemiology & Health Promotion, College of Dentistry, New York University, New York, NY. Anna-Lena Trescher and Stefan Listl are with the Translational Health Economics Group, Department of Conservative Dentistry, Heidelberg University, Heidelberg, Germany. Stefan Listl is also with the Department of Quality and Safety of Oral Health Care, Radboud University Nijmegen, Nijmegen, Netherlands.