Digital Auscultation Test - IPF Data Collection

Inclusion Criteria: * Male or female patients * Age ≥ 45 years at the day of the study visit * Diagnosis: * For patients with confirmed Idiopathic Pulmonary Fibrosis (IPF) diagnosis - a clinical diagnosis of IPF within the last 24 months from the day of the study visit, according to the American Thoracic Society (ATS)/ European Respiratory Society (ERS) 2011 guideline \[P11-07084\] or * For the symptom matched control - patients without a IPF diagnosis but with one of the confirmed current conditions as: * asthma diagnosed according to GINA guidelines, * COPD diagnosed according to GOLD guidelines, * pneumonia, * upper respiratory tract infection, or * acute bronchitis. * Signed and dated written informed consent in accordance with Good Clinical Practice (GCP) and local legislation prior to admission to the study Exclusion Criteria: * Any other current respiratory condition other than the pulmonary disease which qualified the patient eligibility based on inclusion criterion 3 * Any condition, according to investigator's assessment, which will not allow the patient to comply with protocol assessments or need a legal representative * Patients with a history of lobectomy, pneumonectomy or lung transplant * Patients with a Body Mass Index (BMI) \>30,0 kg/m² * Previous enrolment in this study * Women who are pregnant