1. Department of Regenerative Medicine and
2. Department of Hematology-Oncology, Center for Applied Medical Research, Universidad de Navarra, Pamplona, Spain
3. Molecular and Functional Biomarkers Lab, Center for Cooperative Research in Biomaterials (CIC BiomaGUNE), San Sebastián, Spain
4. Biobank of the Universities of Giessen and Marburg Lung Center and the European Idiopathic Pulmonary Fibrosis Registry, German Center for Lung Research, Giessen, Germany; and
5. Pulmonary Department, Clinica Universidad de Navarra, Pamplona, Spain