1. Department of Pulmonary MedicineHospital del MarBarcelonaSpain
2. Division of PulmonaryCritical Care and Sleep MedicineUniversity of Oklahoma Health Sciences CenterOklahoma CityOKUSA
3. Biomedical Research Networking Centre on Respiratory Diseases (CIBERES)MadridSpain
4. University Pompeu FabraBarcelonaSpain
5. Department of Pulmonary MedicineIRCCS Istituto Mediterraneo Trapianti e Terapie ad Alta SpecializzazionePalermoItaly
6. Italian Pulmonary Hypertension NetworkIPHNETRomeItaly
7. Department of Pulmonary MedicineNational Pulmonary Hypertension ServiceRoyal Brompton HospitalLondonUK
8. Weill Cornell MedicineNew YorkNYUSA
9. Division of Pulmonary Critical Care and Sleep MedicineHouston Methodist HospitalHoustonTXUSA