Clinical and demographic data access has been restricted due to an information use agreement with the Patient Registry Committee and Biomarker Consortium of the Cystic Fibrosis Foundation, and proteomics data have been restricted due to the sensitive nature of its contents. Anyone wishing to acquire the registry data may contact and request permission from the Cystic Fibrosis Foundation via email: datarequests@cff.org; proteomics data requests may be sent to author Assem Ziady.