[1] Hosp Univ Son Espases, Dept Pathol, Palma De Mallorca, Spain
[2] Chest Dis Dept, Alexandria, Egypt
[3] IDISPa, Res Unit, Palma De Mallorca, Spain
[4] Ciber Enfermedades Resp CIBERES, Palma De Mallorca, Spain
[5] Hosp del Mar, Dept Pathol, Barcelona, Spain
[6] Hosp Alvaro Cunqueiro Vigo, Dept Pathol, Vigo, Spain
[7] Hosp Univ Salamanca, Dept Pathol, Salamanca, Spain
[8] Hosp Ramon & Cajal, Dept Pathol, Madrid, Spain
[9] Hosp Lucus Augusti, Dept Pathol, Lugo, Spain
[10] Hosp Puerta Hierro, Dept Pathol, Madrid, Spain
[11] Hosp Clin San Carlos, Dept Pathol, Madrid, Spain
[12] Hosp Rey Juan Carlos, Dept Pathol, Madrid, Spain
[13] Hosp Santa Creu & Sant Pau, Dept Pathol, Barcelona, Spain
[14] Hosp Univ Son Espases, Dept Resp Med, Palma De Mallorca, Spain