1. National Center for the Medical Consequences of Spinal Cord Injury, James J. Peters Veterans Affairs Medical Center , Bronx, New York , USA
2. Department of Medicine, Icahn School of Medicine at Mount Sinai , New York, New York , USA
3. Research Service, Birmingham VA Medical Center , Birmingham, Alabama , USA
4. Department of Cell, Developmental, and Integrative Biology, University of Alabama-Birmingham , Birmingham , USA
5. Department of Pathology, Microbiology and Immunology, New York Medical College , Valhalla, New York , USA
6. Bone-Muscle Research Center, College of Nursing and Health Innovation, University of Texas at Arlington , Arlington, Texas , USA
7. Department of Neuroscience, Icahn School of Medicine at Mount Sinai , New York, New York , USA
8. Department of Geriatrics and Palliative Medicine, Icahn School of Medicine at Mount Sinai , New York, New York , USA
9. Geriatric Research Education and Clinical Center, James J. Peters VA Medical Center , Bronx, New York , USA