1. Department of MedicineHeart and Vascular InstitutePulmonary Hypertension and Right Heart Failure ProgramTemple University HospitalPhiladelphiaPennsylvaniaUSA
2. Department of MedicineHeart and Vascular CenterPulmonary Hypertension and Heart Failure‐Cardiac Transplant ProgramHospital of the University of PennsylvaniaPhiladelphiaPennsylvaniaUSA