Catholic University of Milan - Pneumology Complex Operating Unit, National Jewish Health, University of Duisburg-Essen - University Hospital Essen, University of Turin, Columbia University - Mailman School of Public Health, University of Michigan at Ann Arbor - Department of Internal Medicine, St. Luke's Hospital, University of Louisville, University of Utah, MedQIA, FibroGen, Inc., FibroGen, Inc., FibroGen, Inc. - Department of Clinical Development, FibroGen, Inc. - Department of Clinical Development, FibroGen, Inc., FibroGen, Inc. - Department of Clinical Development and University of Washington - Interstitial Lung Disease Clinic