1. Department of Respiratory Medicine, Erasmus Medical Center, Rotterdam, the Netherlands
2. Department of Respiratory Medicine, Zuyderland Medical, Heerlen, the Netherlands
3. Department of Pulmonology, Interstitial Lung Diseases Centre of Excellence, St. Antonius Hospital, Nieuwegein, the Netherlands
4. Division of Heart & Lungs, University Medical Center Utrecht, Utrecht, the Netherlands
5. Department of Respiratory Medicine, Onze Lieve Vrouwe Gasthuis, Amsterdam, the Netherlands; and
6. Department of Public Health and Primary Care, National eHealth Living Lab, Leiden University Medical Center, Leiden, the Netherlands