1. Research Service, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland Clinic Foundation, Ohio
2. Department of Medicine, Cleveland Clinic Foundation, Ohio
3. Department of Medicine, Central Texas Veterans Health Care System, Temple, Texas A&M University, Bryan
4. College of Medicine, Texas A&M University, Bryan
5. Geriatric Research, Education, and Clinical Center, Louis Stokes Cleveland Veterans Affairs Medical Center, Cleveland, Ohio
6. Case Western Reserve University School of Medicine, Cleveland, Ohio