Gary M Hunninghake, MD, MPH,¹ Jonathan Goldin, MD, PhD,² Howard Lazarus, MD,³ Jonathan A Kropski, MD,⁴ Sudhakar Pipavath, MD,⁵ Ivan O Rosas, MD,⁶ Ruchi Yadav, MD,⁷ Athol U Wells, MD,⁸ on behalf of the ILA Delphi survey group

¹Pulmonary and Critical Care Division, Department of Medicine, Brigham and Women’s Hospital, Boston, MA, USA; ²UCLA Department of Radiological Sciences, Santa Monica, CA, USA; ³Boehringer Ingelheim Pharmaceuticals, Inc., Ridgefield, CT, USA; ⁴Division of Allergy, Pulmonary and Critical Care Medicine, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA; ⁵University of Washington Medical Center, Seattle, WA, USA; ⁶Baylor College of Medicine, Houston, TX, USA; ⁷Cleveland Clinic, Department of Diagnostic Radiology, Cleveland, OH, USA; ⁸Royal Brompton Hospital, London, UK