1. Department of Medicine, Beth Israel Deaconess Medical Center, Boston, MA, USA
2. Harvard Medical School, Boston, MA, USA
3. Department of Medicine, Division of Cardiology, Weill Cornell Medical College, New York-Presbyterian Hospital, New York, NY, USA
4. Division of Rheumatology, Beth Israel Deaconess Medical Center, Boston, MA, USA
5. Division of Pulmonology, Beth Israel Deaconess Medical Center, Boston, MA, USA
6. Division of Plastic Surgery, Beth Israel Deaconess Medical Center, Boston, MA, USA
7. Division of Cardiology, Beth Israel Deaconess Medical Center, Boston, MA, USA
8. Department of Medicine, Richard A and Susan F Smith Center for Outcomes Research in Cardiology, Beth Israel Deaconess Medical Center, Boston, MA, USA