1 Endocrinology Division, Department of Internal Medicine, University Hospital "Dr Jose E. Gonzalez," Monterrey, Mexico.
2 Endocrinology Division, Department of Internal Medicine, University Hospital "Dr Jose E. Gonzalez," Monterrey, Mexico2Knowledge and Evaluation Research Unit in Endocrinology, Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Department of Medicine, Mayo Clinic, Rochester, Minnesota.
3 Knowledge and Evaluation Research Unit in Endocrinology, Division of Endocrinology, Diabetes, Metabolism, and Nutrition, Department of Medicine, Mayo Clinic, Rochester, Minnesota.