[1] Osped Niguarda Ca Granda, Milan, Italy
[2] Mayo Clin, Dept Oncol, Rochester, MN USA
[3] Osped San Martino Genova, Genoa, Italy
[4] Univ Pisa, Dept Translat Res & New Technol Med, Pisa, Italy
[5] 1CM Val dAurelle, Montpellier, France
[6] VSC Norris Comprehens Canc Ctr, Div Med Oncol, Los Angeles, CA USA
[7] Natl Canc Ctr Hosp East, Dept Gastroenterol & Gastrointestinal Oncol, Chiba, Japan
[8] Bayer HealthCare Pharmaceut, Global Biostat, Montville, NJ USA
[9] Bayer HealthCare Pharmaceut, Global HEOR Specialty Med, Montville, NJ USA
[10] Katholieke Univ Leuven Hosp, Louvain, Belgium