1. University of Florida College of Medicine, Gainesville, Florida.
2. Program in the Biological and Biomedical Sciences, Harvard Medical School, Boston, Massachusetts.
3. University of Florida Clinical Research Center, Gainesville, Florida.
4. Department of Aging and Geriatric Research, University of Florida, Gainesville, Florida.
5. Department of Biostatistics, University of Florida, Gainesville, Florida.
6. Prometheon Pharma, LLC, Alachua, Florida.
7. Division of Pulmonary, Critical Care, and Sleep Medicine, University of Florida, Gainesville, Florida.