1 New Orleans Scleroderma and Sarcoidosis Patient Care and Research Center, New Orleans, LA, USA; University Medical Center, Comprehensive Pulmonary Hypertension Center and Interstitial Lung Disease Clinic Programs, New Orleans, LA, USA; Louisiana State University School of Medicine, Section of Pulmonary Medicine, New Orleans, LA, USA; Tulane University School of Medicine, New Orleans, LA 70112, USA. Electronic address: lsaketk@tulane.edu.
2 Karolinksa Institutet, Myositis Unit, Physiotherapy Unit, Stockholm, Sweden.
3 New Orleans Scleroderma and Sarcoidosis Patient Care and Research Center, New Orleans, LA, USA; University Medical Center, Comprehensive Pulmonary Hypertension Center and Interstitial Lung Disease Clinic Programs, New Orleans, LA, USA; Louisiana State University School of Medicine, Section of Pulmonary Medicine, New Orleans, LA, USA.
4 Patient Research Partner, New Orleans, LA, USA.
5 Tulane University School of Medicine, New Orleans, LA 70112, USA; Department of Medicine, Oregon Health and Science University, Portland, OR, USA.
6 Division of Pulmonary Medicine, Pulmonary Fibrosis Center, University of Utah, Salt Lake City, UT, USA.
7 Department of Medicine, Division of Rheumatology, University of California - Los Angeles, Los Angeles, CA, USA.
8 University of Exeter, College of Nursing, Exeter, UK; European Pulmonary Fibrosis Foundation, Gentbrugge, Belgium.