The author thanks Hudie B. Siegel, M.D., coleader of the seminar, and Stella Bae, M.D., Jean F. Cochrane, M.D., Liza Donlon, M.D., James A. Evans, M.D., Scott A. Freeman, M.D., John H. Halpern, M.D., Rebecca Lundquist, M.D., and Eric D. Teitel, M.D., for their devoted participation in our three-year venture in shared learning.