1. Cardiovascular and Metabolic Diseases Research Unit, Mexican Social Security Institute, Mexico City 06720, Mexico
2. Endocrine Research Unit, National Medical Center, Mexican Social Security Institute, Mexico City 06720, Mexico
3. Department of Biochemistry Diagnostics, Faculty of Higher Education, Cuautitlán Izcalli Campus, National Autonomous University of Mexico, State of Mexico 54714, Mexico
4. Peripheral Obesity Research Unit, Faculty of Medicine, National Autonomous University of Mexico, Mexico City 14000, Mexico