Jeff Levin, PhD, MPH, an epidemiologist and former medical school professor, received his AB from Duke University, his MPH from the University of North Carolina, and his PhD from the University of Texas Medical Branch, and completed postdoctoral training in gerontology at the University of Michigan. Harold G. Koenig, MD, completed his undergraduate education at Stanford University, his medical training at the University of California at San Francisco, and his geriatric medicine, psychiatry, and biostatistics training at Duke University Medical Center.