From the Centrum Onkologii Instytut, Warsaw; Regional Lung Disease Hospital, Poznan; Medical Academy Radiotherapy Clinic, Gdansk; Samodzielmy Wojewodzki Zaklad Opieki Zdrowotnej, Otwock, Poland; Klinika Pneumologie e Brudni Chir, Praha, Czech Republic; Asklepios Fachkliniken München-Gauting, Gauting, Germany; Hôpital André Boulloche, Montbéliard; Centre René Gauducheau, Saint-Herblain; Institut de Recherche Pierre Fabre, Boulogne; Hôpital Lyautey, Strasbourg; Centre René Gauducheau, Saint-Herblain,... (At 2010-05-01)