1. James J. Peters VA Medical Center, Bronx, New York, USA.
2. Bronx Veterans Medical Research Foundation, Bronx, New York, USA.
3. Department of Medicine, The Icahn School of Medicine, Mount Sinai, New York, New York, USA.
4. Department of Rehabilitation and Human Performance, The Icahn School of Medicine, Mount Sinai, New York, New York, USA.
5. Department of Health, Sport and Exercise Sciences, University of Kansas, Lawrence, Kansas, USA.