[1] Hop Metz, CHR Metz Thionville, Serv Pneumol, Ctr Tabacol, F-57038 Metz 3, France
[2] Ctr Tabacol, Dispensaire Emile Roux, F-63100 Clermont Ferrand, France
[3] Ctr Lutte AntiTB CLAT 63, F-63100 Clermont Ferrand, France
[4] CHU Poitiers, Serv Pneumol, Unite Tabacol, F-86000 Poitiers, France
[5] CHU Poitiers, Ctr Lutte AntiTB CLAT 63, F-86000 Poitiers, France