1 From the Geisel School of Medicine at Dartmouth (B.C.J.), Dartmouth-Hitchcock Medical Center, Hanover, NH; and Mayo Clinic (G.D.C.), Rochester, MN. Barbara.C.Jobst@hitchcock.org.
2 From the Geisel School of Medicine at Dartmouth (B.C.J.), Dartmouth-Hitchcock Medical Center, Hanover, NH; and Mayo Clinic (G.D.C.), Rochester, MN.