1. National Institute for Cancer Research, Genoa, Italy
2. Thoracic Oncology Division, National Cancer Center Hospital, Tokyo, Japan
3. Department of Medical Oncology, Istituto Clinico Humanitas, Milan, Italy
4. San Camillo - Forlanini Hospitals, Rome, Italy
5. Moscati Hospital, Avellino, Italy
6. University Hospital of Udine, Udine, Italy
7. Centre R. Gauducheau, Nantes-St Herblain, France