1. Institute of Internal MedicineAllegheny General HospitalPittsburghPAUSA
2. Department of CardiologySt. Luke’s HospitalIcahn School of Medicine at Mount SinaiNew YorkNYUSA
3. Aurora Denver Cardiology AssociatesLone TreeCOUSA
4. Department of NephrologyIcahn School of Medicine at Mount SinaiNew YorkNYUSA
5. Department of CardiologyWheeling HospitalWheelingWVUSA
6. Department of Internal MedicineGeorgetown University Medical CenterWashingtonDCUSA
7. Department of Internal MedicineDuke University Medical CenterDurhamNCUSA
8. Department of Internal MedicineJohns Hopkins University Medical CenterBaltimoreMDUSA
9. Institute of Cardiovascular MedicineSection of Advanced Heart Failure/Transplant/MCS and Pulmonary HypertensionAllegheny General HospitalPittsburghPAUSA