1. Division of TMD & Orofacial Pain, Department of Diagnostic and Biological Sciences, School of Dentistry, University of Minnesota, Minneapolis, MN, USA
2. Division of Endodontics, School of Dentistry, University of Minnesota, Minneapolis, MN, USA
3. Private Practice, Lake Elmo, MN, USA
4. Department of Neurology, Medical School, University of Minnesota, Minneapolis, MN, USA
5. HealthPartners Institute for Education and Research, Bloomington, MN, USA