Glenn T. Clark, DDS, MS a, ⁎
, Alan Stiles, DMD b, Larry Z. Lockerman, DDS c, Sheldon G. Gross, DDS d
a Department of Diagnostic Sciences, Orofacial Pain and Oral Medicine Center, University of Southern California, 925 West 34th Street, Los Angeles, CA 90089, USA
b Oral and Maxillofacial Surgery Department, Thomas Jefferson University, 909 Walnut Street, Third Floor, Philadelphia, PA 19107, USA
c Temporomandibular Joint/Headache Center, University of Massachusetts Memorial Medical Center, University of Massachusetts Medical School, 119 Belmont Street, Worcester, MA 01605, USA
d University of Connecticut Health Center, Farmington, CT 06030, USA