1. Edison Biotechnology Institute and College of Osteopathic Medicine (K.D.M., N.H., C.J.L., R.M., W.B.K., L.D.K.), Ohio University, Athens, Ohio 45701
2. Department of Internal Medicine (W.B.K.), Asan Medical Center, University of Ulsan College of Medicine, Seoul 138-736, Korea
3. The Ohio State University, Arthur G. James Cancer Center and Richard J. Solove Research Institute (M.S.), Columbus, Ohio 43210
4. The Howard Hughes Medical Institute (A.D.K., R.T.M.), University of Washington, Seattle, Washington 98195
5. Department of Hematology (A.D.K.), University of Washington, Seattle, Washington 98195