1. Klinische Abteilung für Lungenkrankheiten LKH Universitätsklinik / Med. UniversitätDivision of Pulmonology ‐ Department of Internal MedicineGrazAustria
2. Northwestern University Feinberg School of MedicinePulmonary Vascular Disease Program, Bluhm Cardiovascular InstituteChicagoILUSA