1. Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, Fargo, ND, USA
2. School of Nursing, University of Michigan, Ann Arbor, MI, USA
3. Department of Kinesiology, University of New Hampshire, Durham, NH, USA
4. Ohio Musculoskeletal and Neurological Institute, Ohio University, Athens, OH, USA
5. Department of Biomedical Sciences, Ohio University, Athens, OH, USA
6. Department of Geriatric Medicine, Ohio University, Athens, OH, USA
7. Sanford Research, Sioux Falls, SD, USA
8. Department of Human Development and Family Science, North Dakota State University, Fargo, ND, USA