1. Department of Medicine University of Virginia Health System Charlottesville VA USA
2. Department of Preventative Medicine Northwestern University Chicago IL USA
3. Department of Medicine Hualien Armed Forces General Hospital Hualien Taiwan
4. Department of Medicine Tri‐Service General Hospital and National Defense Medical Center Taipei Taiwan
5. Division of Cardiology Department of Medicine Heart Vascular Stroke InstituteSamsung Medical CenterSungkyunkwan University School of Medicine Seoul Korea
6. Division of Pulmonary Critical Care and Sleep Medicine University of Washington Seattle WA USA