1. Section of Endocrine Surgery, David Geffen School of Medicine at UCLA, Los Angeles, California
2. Department of Biostatistics, Fielding School of Public Health, University of California, Los Angeles
3. Department of Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California
4. Division of Endocrinology, Diabetes & Metabolism, David Geffen School of Medicine at UCLA, Los Angeles, California
5. Division of Endocrinology, Diabetes, and Metabolism, VA Greater Los Angeles Healthcare System, Los Angeles, California
6. Department of Pathology and Laboratory Medicine, David Geffen School of Medicine at UCLA, Los Angeles, California
7. Department of Radiology, David Geffen School of Medicine at UCLA, Los Angeles, California