1. Department of Pathology and Committee on Clinical Pharmacology and Pharmacogenomics (M.D.K.), University of Chicago, Chicago, Illinois 60637;
2. Department of Pharmaceutical Sciences (K.Y., E.G.S.), St. Jude Children’s Research Hospital, Memphis, Tennessee 38105;
3. Zoological Society of San Diego (L.R.H.), San Diego, California 92112;
4. Department of Medicine (L.R.H.), University of California San Diego, San Diego, California 92093