IMPORTANT: If you previously had an account on the LTRC website, it is no longer active. The LTRC Data Coordinating Center contract with NHLBI has ended effective September 1, 2020. Applications for access to LTRC data and specimens are not being accepted at this time. NHLBI will make LTRC specimens and data available via its BioLINCC repository in the coming months. Information on how to request LTRC resources through BioLINCC is forthcoming. Please check NHLBI's website https://www.nhlbi.nih.gov/science/lung-tissue-research-consortium-ltrc for updates.