1. Department of Physical Therapy College of Health Sciences University of Kentucky Lexington KY USA
2. Center for Muscle Biology University of Kentucky Lexington KY USA
3. Department of Biostatistics College of Public Health University of Kentucky Lexington KY USA
4. Department of Cell, Developmental, and Integrative Biology School of Medicine University of Alabama Birmingham AL USA
5. Geriatric Research, Education, and Clinical Center Birmingham VA Medical Center Birmingham AL USA
6. Department of Internal Medicine/Endocrinology College of Medicine University of Kentucky Lexington KY USA