1. Research and Development Service VA San Diego Healthcare System San Diego CA 92161 USA
2. Division of Endocrinology and Metabolism, Department of Medicine University of California San Diego La Jolla CA 92093 USA
3. Division of Genome Information Sciences, Department of Pediatrics University of California San Diego La Jolla CA 92093 USA
4. Division of Cancer Biology Research, Department of Pathology University of California San Diego La Jolla CA 92093 USA
5. Moores Cancer Center University of California San Diego La Jolla CA 92093 USA