The AL1TER Registry involves compilation of the standard data collected for all patients receiving α1-PI therapy within the Coram system; data collected from the SGRQ and LQIQI, and relevant items from patient medical history, including pulmonary function tests. Since the registry is both retrospective and prospective, forms from the start of the patients care, through to the end of their care will be made available for entry into the registry, even forms that predate the signing of the ICF. Sample forms of the standard data collected for Coram patients are included in the appendices. The information that is captured for each α1-PI patient using Coram's standard forms may include: