1. Department of Pulmonology, Medical University of Graz and Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria;
2. Division of Cardiovascular Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, Massachusetts;
3. Division of Cardiovascular Medicine, University of Maryland School of Medicine, Baltimore, Maryland; and
4. The University of Maryland-Institute for Health Computing, Bethesda, Maryland
5. Division of Cardiovascular Medicine, Vanderbilt University Medical Center, Nashville, Tennessee;