1. Seattle WA
2. Endodontics Graduate Program, Department of Cariology, Restorative Sciences, and Endodontics; School of Dentistry, University of Michigan
3. Department of Imaging and Pathology, Faculty of Medicine; University of Leuven; Department of Oral and Maxillofacial Surgery; University Hospitals Leuven; Leuven Belgium
4. Department of Dental Medicine; Karolinska Institutet; Stockholm Sweden
5. Department of Psychology; College of Literature, Science, and Arts, University of Michigan