1. Department of Cardiology Hospital Universitario de Toledo Toledo Spain
2. Department of Internal Medicine Hospital Universitario La Paz Madrid Spain
3. Pulmonary Hypertension Unit, Department of Cardiology Hospital Universitario 12 de Octubre. Instituto de Salud Carlos III Madrid Spain
4. Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBERCV) Madrid Spain
5. Pulmonary Hypertension Unit, Department of Pulmonary Medicine Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) Hospital Clínic Barcelona Spain
6. Centro de Investigación Biomédica en Red de Enfermedades Respiratorias (CIBERES) Madrid Spain
7. Department of Pneumology Hospital Universitario Vall d´Hebrón Barcelona Spain
8. Department of Cardiology Hospital Universitario Puerta de Hierro ‐ Majadahonda Madrid Spain
9. Department of Pneumology Hospital General Universitario de Valencia Valencia Spain