Individuals who are 18 years of age or older with any of the following:
Idiopathic pulmonary fibrosis (defined by either an open lung biopsy demonstrating pulmonary fibrosis and/or HRCT scan findings consistent with idiopathic pulmonary fibrosis as outlined by the American Thoracic Society/European Respiratory Society guidelines),
Familial pulmonary fibrosis (defined as idiopathic pulmonary fibrosis in two or more first-degree relatives)
Relatives of patients with hereditary pulmonary fibrosis,
Hermansky-Pudlak syndrome (diagnosed by paucity or deficiency of platelet dense bodies on whole mount electron microscopy),
Pulmonary fibrosis associated with rheumatoid arthritis [defined by 1987 American College of Rheumatology Revised Criteria for the Classification of RA], or
Healthy research volunteers by history and indicated tests (individuals without history of chronic pulmonary disorder, collagen vascular disease, or bleeding disorder).
Individuals with any of the following:
Significant Inhalational exposure to fibrogenic fibers or dusts (i.e., asbestos, silica, coal, beryllium) or exposure to drugs associated with pulmonary fibrosis,
Uncontrolled ischemic heart disease,
Other collagen vascular disorders (i.e. systemic lupus erythematosus, scleroderma, polymyositis, mixed connective tissue disease),
Uncorrectable bleeding diathesis,
Pregnancy or lactation, or
Inability to give informed consent.