1. Division of Endocrinology and Metabolism, Rush University Medical Center, Chicago, Illinois
2. Department of Internal Medicine, Rush Institute for Healthy Aging, Rush University Medical Center, Chicago, Illinois
3. Rotterdam Thyroid Center, Erasmus University Medical Center, Rotterdam, The Netherlands
4. Department of Neurologic Sciences, Rush Alzheimer's Disease Center, Rush University Medical Center, Chicago, Illinois
5. Department of Neurologic Sciences, University of Miami Miller School of Medicine, Miami, Florida