Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, UCLA David Geffen School of Medicine, VA Greater Los Angeles Healthcare System, Los Angeles, California, USA

Correspondence to Angela M. Leung, MD, MSc, Division of Endocrinology, Diabetes, and Metabolism, Department of Medicine, UCLA David Geffen School of Medicine, VA Greater Los Angeles Healthcare System, Los Angeles, CA, USA. E-mail: [email protected]