Affiliations

• ¹ Dept of Preventive Medicine, Keck School of Medicine of USC, USC Institute for Global Health, University of Southern California, Los Angeles, CA, USA.
• ² VA Portland Health Care System and Professor, Oregon Health and Science University, Portland, OR, USA.
• ³ Division of Pulmonary and Critical Care Medicine, University of Washington (UW), CENTER for Interstitial Lung Disease, UW Medicine, Seattle, WA, USA graghu@uw.edu.