University of Minnesota - Minneapolis - Department of Rehabilitation MedicineUniversity of Minnesota - Minneapolis - Division of Physical Therapy, University of Minnesota - Minneapolis - Department of PediatricsUniversity of Minnesota - Minneapolis - Lillehei Heart Institute, University of Minnesota - Minneapolis - Department of Integrative Biology and Physiology, University of Minnesota - Minneapolis - Department of Rehabilitation MedicineUniversity of Minnesota - Minneapolis - Division of Physical Therapy, University of Minnesota - Minneapolis - Department of Rehabilitation MedicineUniversity of Minnesota - Minneapolis - Division of Physical Therapy, University of Minnesota - Minneapolis - Department of Rehabilitation Medicine, University of Jyväskylä - Gerontology Research Center, University of Jyväskylä - Gerontology Research Center, University of Jyväskylä - Gerontology Research Center, University of Jyväskylä - Gerontology Research Center, East Carolina University - East Carolina Diabetes and Obesity Institute, University of Minnesota - Minneapolis - Lillehei Heart Institute and University of Minnesota - Minneapolis - Department of Rehabilitation Medicine