The American Thoracic Society produces the ATS Patient Education Series as a resource for patients, families and caregivers. The attached recent article titled” MZ Alpha-1 Antitrypsin Deficiency” was co-authored by leading Alpha-1 physicians experts including Oliver J. McElvaney, PhD, Gerald Finnerty, Tomas P. Carroll, PhD, Mark L. Brantly, MD, Noel G. McElvaney, MD, DSc.