1. From the Larner College of Medicine (R.E.S.), University of Vermont, Burlington; Eli Lilly and Company (R.A.N., A.J.Z., E.J.M., E.M.P.), Indianapolis, IN; Yeshiva University (E.K.S.), New York, NY; Albert Einstein College of Medicine (D.C.B., R.B.L.), Montefiore Medical Center, Bronx, NY; Vedanta Research (M.L.R.), Chapel Hill, NC; Harvard Medical School (S.A.), Beth Israel Deaconess Medical Center, Boston, MA; and Orange County Migraine and Headache Center (S.H.), Irvine, CA.