1 Northwestern Scleroderma Program, Department of Medicine, Feinberg School of Medicine, Chicago, IL, USA.
2 Michigan Scleroderma Program, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA.
3 Division of Pulmonary and Critical Care Medicine, Department of Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA.
4 Department of Microbiology-Immunology, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA.
5 Department of Medicine, Yale University School of Medicine, New Haven, CT, USA.
6 Division of Allergy and Immunology, Department of Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, 60611, USA.
7 Department of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA.
8 Department of Dermatology, University of Tokyo Graduate School of Medicine, Bunkyo-ku, Tokyo, 113-8655, Japan.
9 Department of Pharmacology and Center for Lung and Vascular Biology, College of Medicine, University of Illinois, Chicago, IL, USA.
10 Department of Pathology, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA.
11 Wellcome-Wolfson Institute for Experimental Medicine, Queens University Belfast, Belfast, UK.
12 Northwestern Scleroderma Program, Department of Medicine, Feinberg School of Medicine, Chicago, IL, USA. [email protected].
13 Michigan Scleroderma Program, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA. [email protected].
14 Northwestern Scleroderma Program, Department of Medicine, Feinberg School of Medicine, Chicago, IL, USA. [email protected].
15 Michigan Scleroderma Program, Department of Internal Medicine, University of Michigan, Ann Arbor, MI, 48109, USA. [email protected].