[1] FARMADES SPA,DEPT MED,VIA TOR CERVARA 282,I-00155 ROME,ITALY
[2] MED CTR CASSANO MURGE,CLIN LAVORO FDN,CASSANO MURGE,ITALY
[3] CITY HOSP ALESSANDRIA,DIV PNEUMOL,ALESSANDRIA,ITALY
[4] UNIV CATANIA,INST RESP DIS,I-95124 CATANIA,ITALY
[5] UNIV MESSINA,INST RESP DIS,I-98100 MESSINA,ITALY
[6] UNIV MESSINA,INST OCCUPAT MED,I-98100 MESSINA,ITALY
[7] UNIV NAPLES,FAC MED 2,RESP DIS CLIN,I-80138 NAPLES,ITALY
[8] UNIV MILAN,INST RESP DIS,I-20122 MILAN,ITALY
[9] UNIV MODENA,INST RESP DIS,I-41100 MODENA,ITALY
[10] UNIV NAPLES,FAC MED 1,INST RESP DIS,I-80138 NAPLES,ITALY
[11] UNIV PAVIA,TB CLIN,I-27100 PAVIA,ITALY
[12] UNIV GENOA,TB CLIN,I-16126 GENOA,ITALY