1. Division of Pulmonary and Critical Care Medicine Department of Medicine Johns Hopkins University School of Medicine Baltimore Maryland USA
2. Department of Physiology Wayne State University Detroit Michigan USA
3. Division of Endocrinology, Diabetes, and Metabolism Department of Medicine Johns Hopkins University School of Medicine Baltimore Maryland USA
4. Dental School of Ribeirão Preto University of São Paulo São Paulo Brazil
5. Department of Psychiatry and Behavioral Neurosciences Wayne State University School of Medicine Detroit Michigan USA
6. John D. Dingell Veterans Affairs Medical Center Detroit Michigan USA
7. Department of Internal Medicine Wayne State University School of Medicine Detroit Michigan USA