1. ST Vincent's University Hospital, Respiratory, Dublin 4, Ireland
2. University College Dublin, 8797, Respiratory Medicine, Dublin, Ireland
3. St Vincent's University Hospital, 58038, Respiratory Medicine, Dublin 4, Ireland
4. Aarhus Universitetshospital, 11297, Aarhus, Denmark
5. St. Antonius Hospital, Pulmonology, Nieuwegein, Netherlands
6. St Antonius Hospital, St Antonius ILD center of Excelence, Department of Pulmonology, Nieuwegein, Netherlands
7. St Antonius Hospital, Pulmonology, Nieuwegein, Utrecht, Netherlands
8. Rigshospitalet, 53146, Section for Lung Transplantation, Kobenhavn, Denmark
9. Oslo University Hospital, 155272, Oslo, Norway
10. University Medical Centre Utrecht, 8124, Department of Internal Medicine, Utrecht, Netherlands
11. University College Dublin, 8797, Dublin, Ireland
12. University College Dublin, 8797, Respiratory Medicine, Dublin, Ireland;