1. Department of Pulmonology, St. Antonius ILD Center of Excellence, St. Antonius Hospital, 3435 CM Nieuwegein, The Netherlands
2. Department of Clinical Chemistry, St. Antonius ILD Center of Excellence, St. Antonius Hospital, 3435 CM Nieuwegein, The Netherlands
3. Center of Translational Immunology, University Medical Center Utrecht, 3508 GA Utrecht, The Netherlands
4. Division of Hearts and Lungs, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands