1. Department of Periodontics University of Iowa College of Dentistry Iowa City Iowa USA
2. Clinic of Reconstructive Dentistry University of Zurich Zurich Switzerland
3. Evidence‐Based Hub, Centro de Investigação Interdisciplinar Egas Moniz (CiiEM) Egas Moniz‐Cooperativa de Ensino Superior Almada Portugal
4. Unit of Basic Oral Investigations, School of Dentistry Universidad El Bosque Bogotá Colombia