1. Division of Endocrinology, Diabetes and Metabolism, Department of Internal Medicine, University of California, San Francisco (Fresno Medical Education Program), Fresno, California, USA.
2. Department of Endocrine Neoplasia and Hormonal Disorders, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA.
3. The Lundquist Institute, Torrance, California, USA.
4. Division of Endocrinology, Diabetes and Metabolism, Harbor-UCLA Medical Center, Torrance, California, USA.
5. David Geffen School of Medicine at UCLA, Los Angeles, California, USA.