1. From the Departments of Anesthesiology (C.D.R., Y.W.), David Geffen School of Medicine, University of California, Los Angeles.
2. Medicine (C.D.R., Y.W.), David Geffen School of Medicine, University of California, Los Angeles.
3. Physiology (C.D.R., Y.W.), David Geffen School of Medicine, University of California, Los Angeles.
4. Human Genetics and Medicine (A.J.L.), David Geffen School of Medicine, University of California, Los Angeles.