1. Department of Medicine, Einstein Medical Center, Philadelphia, PA, USA
2. Division of Cardiology, University of Texas Health Science Center at Houston, Houston, TX, USA
3. Division of Cardiology, Lehigh Valley Healthcare Network, Allentown, PA, USA
4. Division of Pulmonology, Temple University Hospital, Philadelphia, PA, USA
5. Division of Rheumatology, University of California, Los Angeles, CA, USA
6. Division of Cardiology, Pennsylvania Heart and Vascular Group, Jenkintown, Philadelphia PA, USA