1. Department of Internal Medicine Justus‐Liebig University (JLU) Giessen Giessen Germany
2. Universities of Giessen and Marburg Lung Center (UGMLC) Member of the German Centre for Lung Research (DZL) Giessen Germany
3. European IPF Network and European IPF Registry Giessen Germany
4. Member of the Cardio‐Pulmonary Institute (CPI), JLU Giessen Germany
5. Lung Clinic, Agaplesion Evangelisches Krankenhaus Mittelhessen Giessen Germany