1 Division of Cardiology, Department of Internal Medicine (A.P., C.I.I., M.S., V.S., N.J., D.D., S.A.W., D.T.), UT Southwestern Medical Center, Dallas, TX.
2 Division of Hematology/Oncology, Department of Internal Medicine (T.T., Y.J., B.K., P.C., F.K., A.S., N.P., S.S.C.), UT Southwestern Medical Center, Dallas, TX.
3 Harry Moss Center (C.I.I., N.J., D.D., S.A.W., D.T.), UT Southwestern Medical Center, Dallas, TX.
4 Autonomous University of Barcelona, Spain (A.B.G.).
5 The Jackson Laboratory, Bar Harbor, ME (K.A.Y., J.J.T.).
6 Department of Pathology, Center of Excellence for Leukemia Studies, St. Jude Children's Research Hospital, Memphis, TN (W.H.).
7 Department of Molecular Biology (D.T.), UT Southwestern Medical Center, Dallas, TX.
8 Children's Research Institute (S.S.C.), UT Southwestern Medical Center, Dallas, TX.