1. Department of MedicineUniversity of Washington Medical CenterSeattle, Washington
2. Hôptal CalmetteUniversité Lille Nord de FranceLille, France
3. Department of PathologyUniversity of MichiganAnn Arbor, Michigan
4. Pulmonary MedicineUniversita Cattolica del Sacro Cuore Sede di RomaRoma, Lazio
5. Documents DepartmentAmerican Thoracic SocietyNew York, New Yorkand
6. Department of MedicineBoston UniversityBoston, Massachusetts