1. Department of Physiology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
2. Cedars-Sinai Diabetes and Obesity Research Institute, Department of Biomedical Research, Los Angeles, California
3. Department of Medicine, Columbia University Medical Center, New York, New York
4. Advanced Center for Chronic Diseases and Center for Molecular Studies of the Cell, Santiago, Chile
5. Instituto de Investigación en Ciencias Odontológicas, Facultad de Odontología, Universidad de Chile, Santiago, Chile
6. Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, Texas