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.