1. Department of Preventive Medicine, University of Tennessee Health Science Center, Memphis
2. Department of Statistics and Data Sciences, The University of Texas at Austin3Department of Integrative Biology, The University of Texas at Austin
3. Department of Health Administration, Virginia Commonwealth University, Richmond
4. Department of Internal Medicine, Carver College of Medicine, University of Iowa, Iowa City6Iowa City Veterans Affairs Health Care System, Iowa City, Iowa
5. School of Nursing, University of Kansas Medical Center, Kansas City, Missouri
6. Department of Biostatistics, School of Medicine, University of Kansas Medical Center, Kansas City, Missouri
7. Department of Health Policy and Administration, Pennsylvania State University, University Park
8. Department of Statistics, University of Florida, Gainesville
9. Department of Epidemiology, University of Florida, Gainesville12Geriatric Research Education & Clinical Center, Malcom Randall Veterans Affairs Medical Center, Gainesville, Florida