1. Division of Pulmonary and Critical Care MedicineDepartment of MedicineJohns Hopkins UniversityBaltimoreMDUSA
2. Department of Translational Medical SciencesFederico II UniversityNaplesItaly
3. Bloomberg School of Public HealthJohns Hopkins UniversityBaltimoreMDUSA
4. Division of CardiologyDepartment of MedicineJohns Hopkins UniversityBaltimoreMDUSA