1 Interstitial Lung Diseases Center of Excellence, Dept of Pulmonology, St Antonius Hospital, Nieuwegein, Netherlands; Department of Pharmacology and Toxicology, Faculty of Health, Medicine and Life Sciences, Maastricht University, Maastricht, Netherlands; ild care foundation research team, 6711 NR Ede, Netherlands. Electronic address: m.drent@ildcare.nl.
2 Center for Interstitial and Rare Lung Diseases, Pneumology Department, Ruhrlandklinik, University Hospital, University of Essen, Essen, Germany; European Reference Network (ERN)-LUNG, ILD Core Network, The Ohio State University, Columbus, OH, USA.
3 Division of Pulmonary and Critical Care and Sleep Medicine, The Ohio State University, Columbus, OH, USA; Chair Scientific Advisory Board Foundation of Sarcoidosis Research, Chicago, IL, USA.
4 Respiratory Medicine Division, Department of Medicine Solna, and Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden; Respiratory Medicine, Theme Inflammation and Ageing, Karolinska University Hospital, Stockholm, Sweden.