1. Section of Endocrine Surgery, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, California, USA.
2. Department of Radiology, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, California, USA.
3. Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, California, USA.
4. Department of Biostatistics, Fielding School of Public Health at University of California Los Angeles, Los Angeles, California, USA.
5. Department of Medicine, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, California, USA.