[1
]Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, University
of California, San Francisco, San Francisco, California
[2
]Diabetes Center, University of California, San Francisco, San Francisco, California
[3
]Department of Surgery, University of California, San Francisco, San Francisco, California
[4
]Department of Epidemiology and Biostatistics, University of California, San Francisco,
San Francisco, California
[5
]Endocrine Research Unit, San Francisco Veterans Affairs Medical Center, San Francisco,
California
[6
]Department of Radiology and Biomedical Imaging, University of California, San Francisco,
San Francisco, California