LLFS Field Center, New York, NY Joseph H. Lee, DrPH LLFS MPI; Columbia University Field Site Co-PI Contact Email: jhl2@columbia.edu Stephanie Cosentino, PhD LLFS MPI; Columbia University Field Site Co-PI Contact Email: sc2460@columbia.edu R. Graham Barr, MD, DrPH LLFS Spirometry Reading Center and Training Contact Email: rgb9@cumc.columbia.edu Lawrence S. Honig, MD, PhD LLFS Morbidity and Mortality Adjudication; Telomeres in Aging; AD Biomarkers Contact Email: lh456@columbia.edu Sandra Rizer, MA LLFS Cognitive Coordinator Contact Phone: 212-305-1818 Email: sz2667@cumc.columbia.edu Claudia Trevino Participant Outreach Coordinator Contact Phone: 347-803-5202 Email: ct3114@cumc.columbia.edu