SOURCES: Seymour Diamond, MD, director and founder, Diamond Headache Clinic, Chicago; editor-in-chief, Headache Quarterly, Current Treatment and Research; and executive chairman, National Headache Foundation • R. Michael Gallagher, DO, professor of family medicine and dean, University of Medicine and Dentistry of New Jersey, School of Osteopathic Medicine; and founding director of the University Headache Center, Moorestown, N.J. • Timothy R. Smith, MD, RPh, medical director, Ryan Headache Center; and director, Mercy Health Research, St. John's Mercy Medical Center, St. Louis.

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Last Editorial Review: 1/31/2005 5:37:54 AM