1. Cardiovascular Research CenterIcahn School of Medicine at Mount SinaiNew YorkNYUSA
2. Weill Cornell MedicinePulmonary & Critical Care MedicineNew YorkNYUSA
3. Hospital Universitari i Politecnic La FeValenciaSpain
4. Cardiovascular Medicine DivisionBrigham and Women’s HospitalHarvard Medical SchoolBostonMAUSA