1. Division of Endocrinology, Diabetes and Nutrition, University of Maryland School of Medicine , Baltimore, MD 21201 , USA
2. Health Sciences and Human Services Library, University of Maryland , Baltimore, MD 21201 , USA
3. Department of Medicine and Therapeutics, The Chinese University of Hong Kong , Central Ave , Hong Kong
4. Lead Endocrinologist, Diabetes and Obesity Management Clinic, Chase Brexton Healthcare , Baltimore, MD 21201 , USA