1. ILD Center of Excellence, Department of Pulmonology, St. Antonius Hospital, Nieuwegein, the Netherlands
2. ILD Center of Excellence, Department of Neurology, St. Antonius Hospital, Nieuwegein, the Netherlands
3. Department of Clinical Neurophysiology, St. Antonius Hospital, Nieuwegein, the Netherlands
4. Department of Clinical Neurophysiology, Leiden University Medical Center, Leiden, the Netherlands
5. Division of Heart and Lungs, University Medical Center Utrecht, Utrecht, the Netherlands