1. Department of Internal Medicine (Y.N., N.U.N.N., F.X., J.J.S., N.T.L., T.G.G., J.A.H., H.A.S.), the University of Texas Southwestern Medical Center, Dallas.
2. Department of Radiation Oncology (S.A., S.B., S.M., A.A.), the University of Texas Southwestern Medical Center, Dallas.
3. Center for Regenerative Science and Medicine (J.A.H., H.A.S.), the University of Texas Southwestern Medical Center, Dallas.